Home / 17,781.44-24,537.94-11,724.28

Finding the Fourth Proportional to 17,781.44, 24,537.94 and 11,724.28

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Solution

The fourth proportional to 17,781.44, 24,537.94 and 11,724.28 is: 16,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.44 : 24,537.94 = 11,724.28 : x
  2. Step 2: Convert to fraction form
    17,781.44/24,537.94 = 11,724.28/x
  3. Step 3: Cross multiply
    17,781.44x = 24,537.94 × 11,724.28
  4. Step 4: Simplify right side
    17,781.44x = 287,689,679.18
  5. Step 5: Solve for x
    x = 287,689,679.18/17,781.44
  6. Step 6: Final answer
    x = 16,179.21

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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.