Home / 20,160.44-27,819.18-12,093.56

Finding the Fourth Proportional to 20,160.44, 27,819.18 and 12,093.56

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Solution

The fourth proportional to 20,160.44, 27,819.18 and 12,093.56 is: 16,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.44 : 27,819.18 = 12,093.56 : x
  2. Step 2: Convert to fraction form
    20,160.44/27,819.18 = 12,093.56/x
  3. Step 3: Cross multiply
    20,160.44x = 27,819.18 × 12,093.56
  4. Step 4: Simplify right side
    20,160.44x = 336,432,922.48
  5. Step 5: Solve for x
    x = 336,432,922.48/20,160.44
  6. Step 6: Final answer
    x = 16,687.78

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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.