Home / 20,063.42-27,687.60-11,110.73

Finding the Fourth Proportional to 20,063.42, 27,687.60 and 11,110.73

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Solution

The fourth proportional to 20,063.42, 27,687.60 and 11,110.73 is: 15,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.42 : 27,687.60 = 11,110.73 : x
  2. Step 2: Convert to fraction form
    20,063.42/27,687.60 = 11,110.73/x
  3. Step 3: Cross multiply
    20,063.42x = 27,687.60 × 11,110.73
  4. Step 4: Simplify right side
    20,063.42x = 307,629,447.95
  5. Step 5: Solve for x
    x = 307,629,447.95/20,063.42
  6. Step 6: Final answer
    x = 15,332.85

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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.