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Finding the Fourth Proportional to 18,114.17, 27,171.34 and 8,246.54

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Solution

The fourth proportional to 18,114.17, 27,171.34 and 8,246.54 is: 12,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.17 : 27,171.34 = 8,246.54 : x
  2. Step 2: Convert to fraction form
    18,114.17/27,171.34 = 8,246.54/x
  3. Step 3: Cross multiply
    18,114.17x = 27,171.34 × 8,246.54
  4. Step 4: Simplify right side
    18,114.17x = 224,069,589.48
  5. Step 5: Solve for x
    x = 224,069,589.48/18,114.17
  6. Step 6: Final answer
    x = 12,369.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.