Home / 20,796.46-31,198.78-6,753.88

Finding the Fourth Proportional to 20,796.46, 31,198.78 and 6,753.88

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Solution

The fourth proportional to 20,796.46, 31,198.78 and 6,753.88 is: 10,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.46 : 31,198.78 = 6,753.88 : x
  2. Step 2: Convert to fraction form
    20,796.46/31,198.78 = 6,753.88/x
  3. Step 3: Cross multiply
    20,796.46x = 31,198.78 × 6,753.88
  4. Step 4: Simplify right side
    20,796.46x = 210,712,816.27
  5. Step 5: Solve for x
    x = 210,712,816.27/20,796.46
  6. Step 6: Final answer
    x = 10,132.15

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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.