Home / 18,037.88-24,884.98-11,991.04

Finding the Fourth Proportional to 18,037.88, 24,884.98 and 11,991.04

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Solution

The fourth proportional to 18,037.88, 24,884.98 and 11,991.04 is: 16,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.88 : 24,884.98 = 11,991.04 : x
  2. Step 2: Convert to fraction form
    18,037.88/24,884.98 = 11,991.04/x
  3. Step 3: Cross multiply
    18,037.88x = 24,884.98 × 11,991.04
  4. Step 4: Simplify right side
    18,037.88x = 298,396,790.58
  5. Step 5: Solve for x
    x = 298,396,790.58/18,037.88
  6. Step 6: Final answer
    x = 16,542.79

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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.