Home / 13,517.33-20,275.56-4,156.97

Finding the Fourth Proportional to 13,517.33, 20,275.56 and 4,156.97

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Solution

The fourth proportional to 13,517.33, 20,275.56 and 4,156.97 is: 6,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.33 : 20,275.56 = 4,156.97 : x
  2. Step 2: Convert to fraction form
    13,517.33/20,275.56 = 4,156.97/x
  3. Step 3: Cross multiply
    13,517.33x = 20,275.56 × 4,156.97
  4. Step 4: Simplify right side
    13,517.33x = 84,284,793.28
  5. Step 5: Solve for x
    x = 84,284,793.28/13,517.33
  6. Step 6: Final answer
    x = 6,235.32

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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.