Home / 25,791.72-38,690.76-9,997.02

Finding the Fourth Proportional to 25,791.72, 38,690.76 and 9,997.02

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Solution

The fourth proportional to 25,791.72, 38,690.76 and 9,997.02 is: 14,996.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791.72 : 38,690.76 = 9,997.02 : x
  2. Step 2: Convert to fraction form
    25,791.72/38,690.76 = 9,997.02/x
  3. Step 3: Cross multiply
    25,791.72x = 38,690.76 × 9,997.02
  4. Step 4: Simplify right side
    25,791.72x = 386,792,301.54
  5. Step 5: Solve for x
    x = 386,792,301.54/25,791.72
  6. Step 6: Final answer
    x = 14,996.76

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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.