Home / 15,122.71-22,688.67-7,732.35

Finding the Fourth Proportional to 15,122.71, 22,688.67 and 7,732.35

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Solution

The fourth proportional to 15,122.71, 22,688.67 and 7,732.35 is: 11,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.71 : 22,688.67 = 7,732.35 : x
  2. Step 2: Convert to fraction form
    15,122.71/22,688.67 = 7,732.35/x
  3. Step 3: Cross multiply
    15,122.71x = 22,688.67 × 7,732.35
  4. Step 4: Simplify right side
    15,122.71x = 175,436,737.47
  5. Step 5: Solve for x
    x = 175,436,737.47/15,122.71
  6. Step 6: Final answer
    x = 11,600.88

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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.