Home / 17,949.87-24,767.91-9,991.89

Finding the Fourth Proportional to 17,949.87, 24,767.91 and 9,991.89

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Solution

The fourth proportional to 17,949.87, 24,767.91 and 9,991.89 is: 13,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,949.87 : 24,767.91 = 9,991.89 : x
  2. Step 2: Convert to fraction form
    17,949.87/24,767.91 = 9,991.89/x
  3. Step 3: Cross multiply
    17,949.87x = 24,767.91 × 9,991.89
  4. Step 4: Simplify right side
    17,949.87x = 247,478,232.25
  5. Step 5: Solve for x
    x = 247,478,232.25/17,949.87
  6. Step 6: Final answer
    x = 13,787.19

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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.