Home / 20,462.82-30,691.18-5,670.19

Finding the Fourth Proportional to 20,462.82, 30,691.18 and 5,670.19

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Solution

The fourth proportional to 20,462.82, 30,691.18 and 5,670.19 is: 8,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462.82 : 30,691.18 = 5,670.19 : x
  2. Step 2: Convert to fraction form
    20,462.82/30,691.18 = 5,670.19/x
  3. Step 3: Cross multiply
    20,462.82x = 30,691.18 × 5,670.19
  4. Step 4: Simplify right side
    20,462.82x = 174,024,821.92
  5. Step 5: Solve for x
    x = 174,024,821.92/20,462.82
  6. Step 6: Final answer
    x = 8,504.44

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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.