Home / 20,203.23-27,882.40-11,250.73

Finding the Fourth Proportional to 20,203.23, 27,882.40 and 11,250.73

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Solution

The fourth proportional to 20,203.23, 27,882.40 and 11,250.73 is: 15,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.23 : 27,882.40 = 11,250.73 : x
  2. Step 2: Convert to fraction form
    20,203.23/27,882.40 = 11,250.73/x
  3. Step 3: Cross multiply
    20,203.23x = 27,882.40 × 11,250.73
  4. Step 4: Simplify right side
    20,203.23x = 313,697,354.15
  5. Step 5: Solve for x
    x = 313,697,354.15/20,203.23
  6. Step 6: Final answer
    x = 15,527.09

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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.