Home / 20,149.06-27,799.24-11,650.07

Finding the Fourth Proportional to 20,149.06, 27,799.24 and 11,650.07

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Solution

The fourth proportional to 20,149.06, 27,799.24 and 11,650.07 is: 16,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.06 : 27,799.24 = 11,650.07 : x
  2. Step 2: Convert to fraction form
    20,149.06/27,799.24 = 11,650.07/x
  3. Step 3: Cross multiply
    20,149.06x = 27,799.24 × 11,650.07
  4. Step 4: Simplify right side
    20,149.06x = 323,863,091.95
  5. Step 5: Solve for x
    x = 323,863,091.95/20,149.06
  6. Step 6: Final answer
    x = 16,073.36

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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.