Home / 20,034.96-27,647.76-11,083.44

Finding the Fourth Proportional to 20,034.96, 27,647.76 and 11,083.44

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Solution

The fourth proportional to 20,034.96, 27,647.76 and 11,083.44 is: 15,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.96 : 27,647.76 = 11,083.44 : x
  2. Step 2: Convert to fraction form
    20,034.96/27,647.76 = 11,083.44/x
  3. Step 3: Cross multiply
    20,034.96x = 27,647.76 × 11,083.44
  4. Step 4: Simplify right side
    20,034.96x = 306,432,289.09
  5. Step 5: Solve for x
    x = 306,432,289.09/20,034.96
  6. Step 6: Final answer
    x = 15,294.88

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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.