concept of slope ratio to run 3/5 some steps and rise is 19 centimeters find the nearest centimeter

Question

If the ratio of rise to run is to be 3/5 for some steps and the rise is 19 centimeters, find the run to the nearest centimeter  using the slop concept

Answer 1

??? "slop konsept" ???

rise/run=3/5 =19/x

(3/5)x=19

x=(5/3)*19

x=31.666666666...

or bout 32

Answer 2

what does rise/run=3/5=19/x  mean