Home / 20,034.50-27,648.57-11,202.50

Finding the Fourth Proportional to 20,034.50, 27,648.57 and 11,202.50

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Solution

The fourth proportional to 20,034.50, 27,648.57 and 11,202.50 is: 15,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.50 : 27,648.57 = 11,202.50 : x
  2. Step 2: Convert to fraction form
    20,034.50/27,648.57 = 11,202.50/x
  3. Step 3: Cross multiply
    20,034.50x = 27,648.57 × 11,202.50
  4. Step 4: Simplify right side
    20,034.50x = 309,733,105.43
  5. Step 5: Solve for x
    x = 309,733,105.43/20,034.50
  6. Step 6: Final answer
    x = 15,459.99

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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.