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Finding the Fourth Proportional to 13,793.14, 20,682.14 and 6,393.52

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Solution

The fourth proportional to 13,793.14, 20,682.14 and 6,393.52 is: 9,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.14 : 20,682.14 = 6,393.52 : x
  2. Step 2: Convert to fraction form
    13,793.14/20,682.14 = 6,393.52/x
  3. Step 3: Cross multiply
    13,793.14x = 20,682.14 × 6,393.52
  4. Step 4: Simplify right side
    13,793.14x = 132,231,675.73
  5. Step 5: Solve for x
    x = 132,231,675.73/13,793.14
  6. Step 6: Final answer
    x = 9,586.77

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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.