Home / 13,761.33-20,627.85-5,437.95

Finding the Fourth Proportional to 13,761.33, 20,627.85 and 5,437.95

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Solution

The fourth proportional to 13,761.33, 20,627.85 and 5,437.95 is: 8,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.33 : 20,627.85 = 5,437.95 : x
  2. Step 2: Convert to fraction form
    13,761.33/20,627.85 = 5,437.95/x
  3. Step 3: Cross multiply
    13,761.33x = 20,627.85 × 5,437.95
  4. Step 4: Simplify right side
    13,761.33x = 112,173,216.91
  5. Step 5: Solve for x
    x = 112,173,216.91/13,761.33
  6. Step 6: Final answer
    x = 8,151.34

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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.