Home / 17,921.70-24,732.82-9,963.75

Finding the Fourth Proportional to 17,921.70, 24,732.82 and 9,963.75

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Solution

The fourth proportional to 17,921.70, 24,732.82 and 9,963.75 is: 13,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.70 : 24,732.82 = 9,963.75 : x
  2. Step 2: Convert to fraction form
    17,921.70/24,732.82 = 9,963.75/x
  3. Step 3: Cross multiply
    17,921.70x = 24,732.82 × 9,963.75
  4. Step 4: Simplify right side
    17,921.70x = 246,431,635.28
  5. Step 5: Solve for x
    x = 246,431,635.28/17,921.70
  6. Step 6: Final answer
    x = 13,750.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.