Home / 13,540.17-20,311.88-4,773.27

Finding the Fourth Proportional to 13,540.17, 20,311.88 and 4,773.27

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Solution

The fourth proportional to 13,540.17, 20,311.88 and 4,773.27 is: 7,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540.17 : 20,311.88 = 4,773.27 : x
  2. Step 2: Convert to fraction form
    13,540.17/20,311.88 = 4,773.27/x
  3. Step 3: Cross multiply
    13,540.17x = 20,311.88 × 4,773.27
  4. Step 4: Simplify right side
    13,540.17x = 96,954,087.45
  5. Step 5: Solve for x
    x = 96,954,087.45/13,540.17
  6. Step 6: Final answer
    x = 7,160.48

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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.