Home / 15,141.23-22,711.97-5,280.49

Finding the Fourth Proportional to 15,141.23, 22,711.97 and 5,280.49

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Solution

The fourth proportional to 15,141.23, 22,711.97 and 5,280.49 is: 7,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.23 : 22,711.97 = 5,280.49 : x
  2. Step 2: Convert to fraction form
    15,141.23/22,711.97 = 5,280.49/x
  3. Step 3: Cross multiply
    15,141.23x = 22,711.97 × 5,280.49
  4. Step 4: Simplify right side
    15,141.23x = 119,930,286.89
  5. Step 5: Solve for x
    x = 119,930,286.89/15,141.23
  6. Step 6: Final answer
    x = 7,920.78

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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.