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Finding the Fourth Proportional to 18,037.86, 24,891.78 and 10,080.15

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Solution

The fourth proportional to 18,037.86, 24,891.78 and 10,080.15 is: 13,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.86 : 24,891.78 = 10,080.15 : x
  2. Step 2: Convert to fraction form
    18,037.86/24,891.78 = 10,080.15/x
  3. Step 3: Cross multiply
    18,037.86x = 24,891.78 × 10,080.15
  4. Step 4: Simplify right side
    18,037.86x = 250,912,876.17
  5. Step 5: Solve for x
    x = 250,912,876.17/18,037.86
  6. Step 6: Final answer
    x = 13,910.35

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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.