Home / 15,129.36-22,691.64-9,565.92

Finding the Fourth Proportional to 15,129.36, 22,691.64 and 9,565.92

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Solution

The fourth proportional to 15,129.36, 22,691.64 and 9,565.92 is: 14,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.36 : 22,691.64 = 9,565.92 : x
  2. Step 2: Convert to fraction form
    15,129.36/22,691.64 = 9,565.92/x
  3. Step 3: Cross multiply
    15,129.36x = 22,691.64 × 9,565.92
  4. Step 4: Simplify right side
    15,129.36x = 217,066,412.91
  5. Step 5: Solve for x
    x = 217,066,412.91/15,129.36
  6. Step 6: Final answer
    x = 14,347.36

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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.