Home / 20,074.44-27,711.12-12,114.96

Finding the Fourth Proportional to 20,074.44, 27,711.12 and 12,114.96

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Solution

The fourth proportional to 20,074.44, 27,711.12 and 12,114.96 is: 16,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.44 : 27,711.12 = 12,114.96 : x
  2. Step 2: Convert to fraction form
    20,074.44/27,711.12 = 12,114.96/x
  3. Step 3: Cross multiply
    20,074.44x = 27,711.12 × 12,114.96
  4. Step 4: Simplify right side
    20,074.44x = 335,719,110.36
  5. Step 5: Solve for x
    x = 335,719,110.36/20,074.44
  6. Step 6: Final answer
    x = 16,723.71

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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.