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Finding the Fourth Proportional to 18,015.92, 27,023.88 and 9,245.24

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Solution

The fourth proportional to 18,015.92, 27,023.88 and 9,245.24 is: 13,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.92 : 27,023.88 = 9,245.24 : x
  2. Step 2: Convert to fraction form
    18,015.92/27,023.88 = 9,245.24/x
  3. Step 3: Cross multiply
    18,015.92x = 27,023.88 × 9,245.24
  4. Step 4: Simplify right side
    18,015.92x = 249,842,358.56
  5. Step 5: Solve for x
    x = 249,842,358.56/18,015.92
  6. Step 6: Final answer
    x = 13,867.86

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Similar ratio
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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.