Home / 39,716.79-59,538.09-13,403.13

Finding the Fourth Proportional to 39,716.79, 59,538.09 and 13,403.13

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Solution

The fourth proportional to 39,716.79, 59,538.09 and 13,403.13 is: 20,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,716.79 : 59,538.09 = 13,403.13 : x
  2. Step 2: Convert to fraction form
    39,716.79/59,538.09 = 13,403.13/x
  3. Step 3: Cross multiply
    39,716.79x = 59,538.09 × 13,403.13
  4. Step 4: Simplify right side
    39,716.79x = 797,996,760.22
  5. Step 5: Solve for x
    x = 797,996,760.22/39,716.79
  6. Step 6: Final answer
    x = 20,092.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.