Home / 20,150.97-27,806.22-11,651.73

Finding the Fourth Proportional to 20,150.97, 27,806.22 and 11,651.73

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Solution

The fourth proportional to 20,150.97, 27,806.22 and 11,651.73 is: 16,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.97 : 27,806.22 = 11,651.73 : x
  2. Step 2: Convert to fraction form
    20,150.97/27,806.22 = 11,651.73/x
  3. Step 3: Cross multiply
    20,150.97x = 27,806.22 × 11,651.73
  4. Step 4: Simplify right side
    20,150.97x = 323,990,567.76
  5. Step 5: Solve for x
    x = 323,990,567.76/20,150.97
  6. Step 6: Final answer
    x = 16,078.16

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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.