Home / 13,844.72-20,767.09-3,456.47

Finding the Fourth Proportional to 13,844.72, 20,767.09 and 3,456.47

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Solution

The fourth proportional to 13,844.72, 20,767.09 and 3,456.47 is: 5,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.72 : 20,767.09 = 3,456.47 : x
  2. Step 2: Convert to fraction form
    13,844.72/20,767.09 = 3,456.47/x
  3. Step 3: Cross multiply
    13,844.72x = 20,767.09 × 3,456.47
  4. Step 4: Simplify right side
    13,844.72x = 71,780,823.57
  5. Step 5: Solve for x
    x = 71,780,823.57/13,844.72
  6. Step 6: Final answer
    x = 5,184.71

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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.