Home / 22,037.97-32,974.32-13,120.68

Finding the Fourth Proportional to 22,037.97, 32,974.32 and 13,120.68

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Solution

The fourth proportional to 22,037.97, 32,974.32 and 13,120.68 is: 19,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,037.97 : 32,974.32 = 13,120.68 : x
  2. Step 2: Convert to fraction form
    22,037.97/32,974.32 = 13,120.68/x
  3. Step 3: Cross multiply
    22,037.97x = 32,974.32 × 13,120.68
  4. Step 4: Simplify right side
    22,037.97x = 432,645,500.94
  5. Step 5: Solve for x
    x = 432,645,500.94/22,037.97
  6. Step 6: Final answer
    x = 19,631.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.