Home / 15,414.52-23,121.84-3,727.72

Finding the Fourth Proportional to 15,414.52, 23,121.84 and 3,727.72

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Solution

The fourth proportional to 15,414.52, 23,121.84 and 3,727.72 is: 5,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.52 : 23,121.84 = 3,727.72 : x
  2. Step 2: Convert to fraction form
    15,414.52/23,121.84 = 3,727.72/x
  3. Step 3: Cross multiply
    15,414.52x = 23,121.84 × 3,727.72
  4. Step 4: Simplify right side
    15,414.52x = 86,191,745.40
  5. Step 5: Solve for x
    x = 86,191,745.40/15,414.52
  6. Step 6: Final answer
    x = 5,591.59

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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.