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Finding the Fourth Proportional to 18,232.59, 25,167.18 and 11,339.16

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Solution

The fourth proportional to 18,232.59, 25,167.18 and 11,339.16 is: 15,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.59 : 25,167.18 = 11,339.16 : x
  2. Step 2: Convert to fraction form
    18,232.59/25,167.18 = 11,339.16/x
  3. Step 3: Cross multiply
    18,232.59x = 25,167.18 × 11,339.16
  4. Step 4: Simplify right side
    18,232.59x = 285,374,680.77
  5. Step 5: Solve for x
    x = 285,374,680.77/18,232.59
  6. Step 6: Final answer
    x = 15,651.90

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Half scale
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Double scale
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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.