Home / 13,793.28-20,701.44-5,480.96

Finding the Fourth Proportional to 13,793.28, 20,701.44 and 5,480.96

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Solution

The fourth proportional to 13,793.28, 20,701.44 and 5,480.96 is: 8,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.28 : 20,701.44 = 5,480.96 : x
  2. Step 2: Convert to fraction form
    13,793.28/20,701.44 = 5,480.96/x
  3. Step 3: Cross multiply
    13,793.28x = 20,701.44 × 5,480.96
  4. Step 4: Simplify right side
    13,793.28x = 113,463,764.58
  5. Step 5: Solve for x
    x = 113,463,764.58/13,793.28
  6. Step 6: Final answer
    x = 8,226.02

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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.