Home / 20,195.58-27,873.99-11,814.78

Finding the Fourth Proportional to 20,195.58, 27,873.99 and 11,814.78

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Solution

The fourth proportional to 20,195.58, 27,873.99 and 11,814.78 is: 16,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.58 : 27,873.99 = 11,814.78 : x
  2. Step 2: Convert to fraction form
    20,195.58/27,873.99 = 11,814.78/x
  3. Step 3: Cross multiply
    20,195.58x = 27,873.99 × 11,814.78
  4. Step 4: Simplify right side
    20,195.58x = 329,325,059.57
  5. Step 5: Solve for x
    x = 329,325,059.57/20,195.58
  6. Step 6: Final answer
    x = 16,306.79

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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.