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Finding the Fourth Proportional to 18,091.92, 24,966.12 and 10,538.48

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Solution

The fourth proportional to 18,091.92, 24,966.12 and 10,538.48 is: 14,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.92 : 24,966.12 = 10,538.48 : x
  2. Step 2: Convert to fraction form
    18,091.92/24,966.12 = 10,538.48/x
  3. Step 3: Cross multiply
    18,091.92x = 24,966.12 × 10,538.48
  4. Step 4: Simplify right side
    18,091.92x = 263,104,956.30
  5. Step 5: Solve for x
    x = 263,104,956.30/18,091.92
  6. Step 6: Final answer
    x = 14,542.68

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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.