Home / 17,920.75-24,724.84-9,961.44

Finding the Fourth Proportional to 17,920.75, 24,724.84 and 9,961.44

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Solution

The fourth proportional to 17,920.75, 24,724.84 and 9,961.44 is: 13,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.75 : 24,724.84 = 9,961.44 : x
  2. Step 2: Convert to fraction form
    17,920.75/24,724.84 = 9,961.44/x
  3. Step 3: Cross multiply
    17,920.75x = 24,724.84 × 9,961.44
  4. Step 4: Simplify right side
    17,920.75x = 246,295,010.17
  5. Step 5: Solve for x
    x = 246,295,010.17/17,920.75
  6. Step 6: Final answer
    x = 13,743.57

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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.