Home / 13,031.97-19,546.39-3,672.69

Finding the Fourth Proportional to 13,031.97, 19,546.39 and 3,672.69

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Solution

The fourth proportional to 13,031.97, 19,546.39 and 3,672.69 is: 5,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.97 : 19,546.39 = 3,672.69 : x
  2. Step 2: Convert to fraction form
    13,031.97/19,546.39 = 3,672.69/x
  3. Step 3: Cross multiply
    13,031.97x = 19,546.39 × 3,672.69
  4. Step 4: Simplify right side
    13,031.97x = 71,787,831.09
  5. Step 5: Solve for x
    x = 71,787,831.09/13,031.97
  6. Step 6: Final answer
    x = 5,508.59

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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.