Home / 14,227.80-21,342.08-3,839.52

Finding the Fourth Proportional to 14,227.80, 21,342.08 and 3,839.52

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Solution

The fourth proportional to 14,227.80, 21,342.08 and 3,839.52 is: 5,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.80 : 21,342.08 = 3,839.52 : x
  2. Step 2: Convert to fraction form
    14,227.80/21,342.08 = 3,839.52/x
  3. Step 3: Cross multiply
    14,227.80x = 21,342.08 × 3,839.52
  4. Step 4: Simplify right side
    14,227.80x = 81,943,343.00
  5. Step 5: Solve for x
    x = 81,943,343.00/14,227.80
  6. Step 6: Final answer
    x = 5,759.38

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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.