Home / 20,346.66-28,077.57-11,849.04

Finding the Fourth Proportional to 20,346.66, 28,077.57 and 11,849.04

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Solution

The fourth proportional to 20,346.66, 28,077.57 and 11,849.04 is: 16,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.66 : 28,077.57 = 11,849.04 : x
  2. Step 2: Convert to fraction form
    20,346.66/28,077.57 = 11,849.04/x
  3. Step 3: Cross multiply
    20,346.66x = 28,077.57 × 11,849.04
  4. Step 4: Simplify right side
    20,346.66x = 332,692,250.03
  5. Step 5: Solve for x
    x = 332,692,250.03/20,346.66
  6. Step 6: Final answer
    x = 16,351.20

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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.