Home / 19,736.36-27,224.26-13,019.60

Finding the Fourth Proportional to 19,736.36, 27,224.26 and 13,019.60

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Solution

The fourth proportional to 19,736.36, 27,224.26 and 13,019.60 is: 17,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.36 : 27,224.26 = 13,019.60 : x
  2. Step 2: Convert to fraction form
    19,736.36/27,224.26 = 13,019.60/x
  3. Step 3: Cross multiply
    19,736.36x = 27,224.26 × 13,019.60
  4. Step 4: Simplify right side
    19,736.36x = 354,448,975.50
  5. Step 5: Solve for x
    x = 354,448,975.50/19,736.36
  6. Step 6: Final answer
    x = 17,959.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.