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Finding the Fourth Proportional to 15,067, 20,793.20 and 9,098.56

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Solution

The fourth proportional to 15,067, 20,793.20 and 9,098.56 is: 12,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067 : 20,793.20 = 9,098.56 : x
  2. Step 2: Convert to fraction form
    15,067/20,793.20 = 9,098.56/x
  3. Step 3: Cross multiply
    15,067x = 20,793.20 × 9,098.56
  4. Step 4: Simplify right side
    15,067x = 189,188,177.79
  5. Step 5: Solve for x
    x = 189,188,177.79/15,067
  6. Step 6: Final answer
    x = 12,556.46

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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.