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Finding the Fourth Proportional to 15,950.92, 22,011.78 and 8,877.16

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Solution

The fourth proportional to 15,950.92, 22,011.78 and 8,877.16 is: 12,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.92 : 22,011.78 = 8,877.16 : x
  2. Step 2: Convert to fraction form
    15,950.92/22,011.78 = 8,877.16/x
  3. Step 3: Cross multiply
    15,950.92x = 22,011.78 × 8,877.16
  4. Step 4: Simplify right side
    15,950.92x = 195,402,092.94
  5. Step 5: Solve for x
    x = 195,402,092.94/15,950.92
  6. Step 6: Final answer
    x = 12,250.21

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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.