Home / 43,371.87-65,057.82-12,207.12

Finding the Fourth Proportional to 43,371.87, 65,057.82 and 12,207.12

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Solution

The fourth proportional to 43,371.87, 65,057.82 and 12,207.12 is: 18,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,371.87 : 65,057.82 = 12,207.12 : x
  2. Step 2: Convert to fraction form
    43,371.87/65,057.82 = 12,207.12/x
  3. Step 3: Cross multiply
    43,371.87x = 65,057.82 × 12,207.12
  4. Step 4: Simplify right side
    43,371.87x = 794,168,615.68
  5. Step 5: Solve for x
    x = 794,168,615.68/43,371.87
  6. Step 6: Final answer
    x = 18,310.68

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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.