Home / 15,132.38-22,702.22-4,744.13

Finding the Fourth Proportional to 15,132.38, 22,702.22 and 4,744.13

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Solution

The fourth proportional to 15,132.38, 22,702.22 and 4,744.13 is: 7,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.38 : 22,702.22 = 4,744.13 : x
  2. Step 2: Convert to fraction form
    15,132.38/22,702.22 = 4,744.13/x
  3. Step 3: Cross multiply
    15,132.38x = 22,702.22 × 4,744.13
  4. Step 4: Simplify right side
    15,132.38x = 107,702,145.74
  5. Step 5: Solve for x
    x = 107,702,145.74/15,132.38
  6. Step 6: Final answer
    x = 7,117.33

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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.