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Finding the Fourth Proportional to 13,793.14, 20,700.11 and 10,104.82

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Solution

The fourth proportional to 13,793.14, 20,700.11 and 10,104.82 is: 15,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.14 : 20,700.11 = 10,104.82 : x
  2. Step 2: Convert to fraction form
    13,793.14/20,700.11 = 10,104.82/x
  3. Step 3: Cross multiply
    13,793.14x = 20,700.11 × 10,104.82
  4. Step 4: Simplify right side
    13,793.14x = 209,170,835.01
  5. Step 5: Solve for x
    x = 209,170,835.01/13,793.14
  6. Step 6: Final answer
    x = 15,164.85

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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.