Home / 15,592.16-21,517.20-8,877.79

Finding the Fourth Proportional to 15,592.16, 21,517.20 and 8,877.79

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Solution

The fourth proportional to 15,592.16, 21,517.20 and 8,877.79 is: 12,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.16 : 21,517.20 = 8,877.79 : x
  2. Step 2: Convert to fraction form
    15,592.16/21,517.20 = 8,877.79/x
  3. Step 3: Cross multiply
    15,592.16x = 21,517.20 × 8,877.79
  4. Step 4: Simplify right side
    15,592.16x = 191,025,243.18
  5. Step 5: Solve for x
    x = 191,025,243.18/15,592.16
  6. Step 6: Final answer
    x = 12,251.36

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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.