Home / 43,351.08-65,026.62-12,186.33

Finding the Fourth Proportional to 43,351.08, 65,026.62 and 12,186.33

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Solution

The fourth proportional to 43,351.08, 65,026.62 and 12,186.33 is: 18,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.08 : 65,026.62 = 12,186.33 : x
  2. Step 2: Convert to fraction form
    43,351.08/65,026.62 = 12,186.33/x
  3. Step 3: Cross multiply
    43,351.08x = 65,026.62 × 12,186.33
  4. Step 4: Simplify right side
    43,351.08x = 792,435,850.10
  5. Step 5: Solve for x
    x = 792,435,850.10/43,351.08
  6. Step 6: Final answer
    x = 18,279.50

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Double scale
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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.