Home / 13,517.52-20,279.46-6,121.95

Finding the Fourth Proportional to 13,517.52, 20,279.46 and 6,121.95

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Solution

The fourth proportional to 13,517.52, 20,279.46 and 6,121.95 is: 9,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.52 : 20,279.46 = 6,121.95 : x
  2. Step 2: Convert to fraction form
    13,517.52/20,279.46 = 6,121.95/x
  3. Step 3: Cross multiply
    13,517.52x = 20,279.46 × 6,121.95
  4. Step 4: Simplify right side
    13,517.52x = 124,149,787.06
  5. Step 5: Solve for x
    x = 124,149,787.06/13,517.52
  6. Step 6: Final answer
    x = 9,184.36

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1.5x scale

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.