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Finding the Fourth Proportional to 18,882.46, 26,059.08 and 12,498.04

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Solution

The fourth proportional to 18,882.46, 26,059.08 and 12,498.04 is: 17,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.46 : 26,059.08 = 12,498.04 : x
  2. Step 2: Convert to fraction form
    18,882.46/26,059.08 = 12,498.04/x
  3. Step 3: Cross multiply
    18,882.46x = 26,059.08 × 12,498.04
  4. Step 4: Simplify right side
    18,882.46x = 325,687,424.20
  5. Step 5: Solve for x
    x = 325,687,424.20/18,882.46
  6. Step 6: Final answer
    x = 17,248.15

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Double scale
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Similar ratio
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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.