Home / 15,132.71-22,702.70-4,744.46

Finding the Fourth Proportional to 15,132.71, 22,702.70 and 4,744.46

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Solution

The fourth proportional to 15,132.71, 22,702.70 and 4,744.46 is: 7,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.71 : 22,702.70 = 4,744.46 : x
  2. Step 2: Convert to fraction form
    15,132.71/22,702.70 = 4,744.46/x
  3. Step 3: Cross multiply
    15,132.71x = 22,702.70 × 4,744.46
  4. Step 4: Simplify right side
    15,132.71x = 107,712,035.52
  5. Step 5: Solve for x
    x = 107,712,035.52/15,132.71
  6. Step 6: Final answer
    x = 7,117.83

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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.