Home / 15,951.17-22,013.33-8,877.57

Finding the Fourth Proportional to 15,951.17, 22,013.33 and 8,877.57

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Solution

The fourth proportional to 15,951.17, 22,013.33 and 8,877.57 is: 12,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.17 : 22,013.33 = 8,877.57 : x
  2. Step 2: Convert to fraction form
    15,951.17/22,013.33 = 8,877.57/x
  3. Step 3: Cross multiply
    15,951.17x = 22,013.33 × 8,877.57
  4. Step 4: Simplify right side
    15,951.17x = 195,424,833.62
  5. Step 5: Solve for x
    x = 195,424,833.62/15,951.17
  6. Step 6: Final answer
    x = 12,251.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.