Home / 14,179.31-21,267.35-3,791.87

Finding the Fourth Proportional to 14,179.31, 21,267.35 and 3,791.87

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Solution

The fourth proportional to 14,179.31, 21,267.35 and 3,791.87 is: 5,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.31 : 21,267.35 = 3,791.87 : x
  2. Step 2: Convert to fraction form
    14,179.31/21,267.35 = 3,791.87/x
  3. Step 3: Cross multiply
    14,179.31x = 21,267.35 × 3,791.87
  4. Step 4: Simplify right side
    14,179.31x = 80,643,007.49
  5. Step 5: Solve for x
    x = 80,643,007.49/14,179.31
  6. Step 6: Final answer
    x = 5,687.37

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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.