Home / 14,845.47-20,472.61-8,876.17

Finding the Fourth Proportional to 14,845.47, 20,472.61 and 8,876.17

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Solution

The fourth proportional to 14,845.47, 20,472.61 and 8,876.17 is: 12,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.47 : 20,472.61 = 8,876.17 : x
  2. Step 2: Convert to fraction form
    14,845.47/20,472.61 = 8,876.17/x
  3. Step 3: Cross multiply
    14,845.47x = 20,472.61 × 8,876.17
  4. Step 4: Simplify right side
    14,845.47x = 181,718,366.70
  5. Step 5: Solve for x
    x = 181,718,366.70/14,845.47
  6. Step 6: Final answer
    x = 12,240.66

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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.