Home / 19,839.83-29,761.50-7,359.99

Finding the Fourth Proportional to 19,839.83, 29,761.50 and 7,359.99

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Solution

The fourth proportional to 19,839.83, 29,761.50 and 7,359.99 is: 11,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.83 : 29,761.50 = 7,359.99 : x
  2. Step 2: Convert to fraction form
    19,839.83/29,761.50 = 7,359.99/x
  3. Step 3: Cross multiply
    19,839.83x = 29,761.50 × 7,359.99
  4. Step 4: Simplify right side
    19,839.83x = 219,044,305.59
  5. Step 5: Solve for x
    x = 219,044,305.59/19,839.83
  6. Step 6: Final answer
    x = 11,040.63

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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.