Home / 13,292.47-19,942.11-3,932.11

Finding the Fourth Proportional to 13,292.47, 19,942.11 and 3,932.11

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Solution

The fourth proportional to 13,292.47, 19,942.11 and 3,932.11 is: 5,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.47 : 19,942.11 = 3,932.11 : x
  2. Step 2: Convert to fraction form
    13,292.47/19,942.11 = 3,932.11/x
  3. Step 3: Cross multiply
    13,292.47x = 19,942.11 × 3,932.11
  4. Step 4: Simplify right side
    13,292.47x = 78,414,470.44
  5. Step 5: Solve for x
    x = 78,414,470.44/13,292.47
  6. Step 6: Final answer
    x = 5,899.17

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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.