Home / 20,727.36-31,073.76-9,032.04

Finding the Fourth Proportional to 20,727.36, 31,073.76 and 9,032.04

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Solution

The fourth proportional to 20,727.36, 31,073.76 and 9,032.04 is: 13,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.36 : 31,073.76 = 9,032.04 : x
  2. Step 2: Convert to fraction form
    20,727.36/31,073.76 = 9,032.04/x
  3. Step 3: Cross multiply
    20,727.36x = 31,073.76 × 9,032.04
  4. Step 4: Simplify right side
    20,727.36x = 280,659,443.27
  5. Step 5: Solve for x
    x = 280,659,443.27/20,727.36
  6. Step 6: Final answer
    x = 13,540.53

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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.