Home / 13,098.88-19,651.21-3,738.69

Finding the Fourth Proportional to 13,098.88, 19,651.21 and 3,738.69

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Solution

The fourth proportional to 13,098.88, 19,651.21 and 3,738.69 is: 5,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.88 : 19,651.21 = 3,738.69 : x
  2. Step 2: Convert to fraction form
    13,098.88/19,651.21 = 3,738.69/x
  3. Step 3: Cross multiply
    13,098.88x = 19,651.21 × 3,738.69
  4. Step 4: Simplify right side
    13,098.88x = 73,469,772.97
  5. Step 5: Solve for x
    x = 73,469,772.97/13,098.88
  6. Step 6: Final answer
    x = 5,608.86

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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.