Home / 26,150.80-36,091.16-15,540.43

Finding the Fourth Proportional to 26,150.80, 36,091.16 and 15,540.43

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Solution

The fourth proportional to 26,150.80, 36,091.16 and 15,540.43 is: 21,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,150.80 : 36,091.16 = 15,540.43 : x
  2. Step 2: Convert to fraction form
    26,150.80/36,091.16 = 15,540.43/x
  3. Step 3: Cross multiply
    26,150.80x = 36,091.16 × 15,540.43
  4. Step 4: Simplify right side
    26,150.80x = 560,872,145.60
  5. Step 5: Solve for x
    x = 560,872,145.60/26,150.80
  6. Step 6: Final answer
    x = 21,447.61

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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.