Home / 20,034.18-27,647.46-11,650.68

Finding the Fourth Proportional to 20,034.18, 27,647.46 and 11,650.68

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Solution

The fourth proportional to 20,034.18, 27,647.46 and 11,650.68 is: 16,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.18 : 27,647.46 = 11,650.68 : x
  2. Step 2: Convert to fraction form
    20,034.18/27,647.46 = 11,650.68/x
  3. Step 3: Cross multiply
    20,034.18x = 27,647.46 × 11,650.68
  4. Step 4: Simplify right side
    20,034.18x = 322,111,709.27
  5. Step 5: Solve for x
    x = 322,111,709.27/20,034.18
  6. Step 6: Final answer
    x = 16,078.11

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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.