On a blueprint, the scale indicates that 8 cm represent 16 feet. what is the length of a room that is 8.8 cm long and 3 cm wide on the blueprint?

For the answer to the question above asking wWhat is the length of a room that is 8.8 cm long and 3 cm wide on the blueprint if a blueprint, the scale indicates that 8 cm represent 16 feet?
The room is 22.4 feet long

8cm=16ft
9.8cm=?ft

  8cm       9.8cm
=
  16ft          x ft

Cross multiply
8x=156.8
divide both sides by 8
x=19.6 ft