Home / 13,531.77-20,289.56-6,031.44

Finding the Fourth Proportional to 13,531.77, 20,289.56 and 6,031.44

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Solution

The fourth proportional to 13,531.77, 20,289.56 and 6,031.44 is: 9,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.77 : 20,289.56 = 6,031.44 : x
  2. Step 2: Convert to fraction form
    13,531.77/20,289.56 = 6,031.44/x
  3. Step 3: Cross multiply
    13,531.77x = 20,289.56 × 6,031.44
  4. Step 4: Simplify right side
    13,531.77x = 122,375,233.61
  5. Step 5: Solve for x
    x = 122,375,233.61/13,531.77
  6. Step 6: Final answer
    x = 9,043.55

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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.