Home / 20,199.24-27,874.33-11,246.55

Finding the Fourth Proportional to 20,199.24, 27,874.33 and 11,246.55

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Solution

The fourth proportional to 20,199.24, 27,874.33 and 11,246.55 is: 15,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.24 : 27,874.33 = 11,246.55 : x
  2. Step 2: Convert to fraction form
    20,199.24/27,874.33 = 11,246.55/x
  3. Step 3: Cross multiply
    20,199.24x = 27,874.33 × 11,246.55
  4. Step 4: Simplify right side
    20,199.24x = 313,489,913.42
  5. Step 5: Solve for x
    x = 313,489,913.42/20,199.24
  6. Step 6: Final answer
    x = 15,519.89

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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.