Home / 13,793.24-20,693.10-3,932.66

Finding the Fourth Proportional to 13,793.24, 20,693.10 and 3,932.66

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Solution

The fourth proportional to 13,793.24, 20,693.10 and 3,932.66 is: 5,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.24 : 20,693.10 = 3,932.66 : x
  2. Step 2: Convert to fraction form
    13,793.24/20,693.10 = 3,932.66/x
  3. Step 3: Cross multiply
    13,793.24x = 20,693.10 × 3,932.66
  4. Step 4: Simplify right side
    13,793.24x = 81,378,926.65
  5. Step 5: Solve for x
    x = 81,378,926.65/13,793.24
  6. Step 6: Final answer
    x = 5,899.91

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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.