Home / 17,949.16-24,769.26-9,991.12

Finding the Fourth Proportional to 17,949.16, 24,769.26 and 9,991.12

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Solution

The fourth proportional to 17,949.16, 24,769.26 and 9,991.12 is: 13,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,949.16 : 24,769.26 = 9,991.12 : x
  2. Step 2: Convert to fraction form
    17,949.16/24,769.26 = 9,991.12/x
  3. Step 3: Cross multiply
    17,949.16x = 24,769.26 × 9,991.12
  4. Step 4: Simplify right side
    17,949.16x = 247,472,648.97
  5. Step 5: Solve for x
    x = 247,472,648.97/17,949.16
  6. Step 6: Final answer
    x = 13,787.42

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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.