Home / 14,179.93-21,269.89-3,791.41

Finding the Fourth Proportional to 14,179.93, 21,269.89 and 3,791.41

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Solution

The fourth proportional to 14,179.93, 21,269.89 and 3,791.41 is: 5,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.93 : 21,269.89 = 3,791.41 : x
  2. Step 2: Convert to fraction form
    14,179.93/21,269.89 = 3,791.41/x
  3. Step 3: Cross multiply
    14,179.93x = 21,269.89 × 3,791.41
  4. Step 4: Simplify right side
    14,179.93x = 80,642,820.47
  5. Step 5: Solve for x
    x = 80,642,820.47/14,179.93
  6. Step 6: Final answer
    x = 5,687.11

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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.