Home / 13,227.91-19,836.39-5,625.96

Finding the Fourth Proportional to 13,227.91, 19,836.39 and 5,625.96

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Solution

The fourth proportional to 13,227.91, 19,836.39 and 5,625.96 is: 8,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.91 : 19,836.39 = 5,625.96 : x
  2. Step 2: Convert to fraction form
    13,227.91/19,836.39 = 5,625.96/x
  3. Step 3: Cross multiply
    13,227.91x = 19,836.39 × 5,625.96
  4. Step 4: Simplify right side
    13,227.91x = 111,598,736.68
  5. Step 5: Solve for x
    x = 111,598,736.68/13,227.91
  6. Step 6: Final answer
    x = 8,436.61

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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.