Home / 43,519.92-65,279.92-11,930.33

Finding the Fourth Proportional to 43,519.92, 65,279.92 and 11,930.33

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Solution

The fourth proportional to 43,519.92, 65,279.92 and 11,930.33 is: 17,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,519.92 : 65,279.92 = 11,930.33 : x
  2. Step 2: Convert to fraction form
    43,519.92/65,279.92 = 11,930.33/x
  3. Step 3: Cross multiply
    43,519.92x = 65,279.92 × 11,930.33
  4. Step 4: Simplify right side
    43,519.92x = 778,810,631.75
  5. Step 5: Solve for x
    x = 778,810,631.75/43,519.92
  6. Step 6: Final answer
    x = 17,895.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.