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Finding the Fourth Proportional to 18,134.10, 25,023.42 and 11,059.14

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Solution

The fourth proportional to 18,134.10, 25,023.42 and 11,059.14 is: 15,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.10 : 25,023.42 = 11,059.14 : x
  2. Step 2: Convert to fraction form
    18,134.10/25,023.42 = 11,059.14/x
  3. Step 3: Cross multiply
    18,134.10x = 25,023.42 × 11,059.14
  4. Step 4: Simplify right side
    18,134.10x = 276,737,505.06
  5. Step 5: Solve for x
    x = 276,737,505.06/18,134.10
  6. Step 6: Final answer
    x = 15,260.61

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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.