Home / 14,650.43-20,217.62-7,936.12

Finding the Fourth Proportional to 14,650.43, 20,217.62 and 7,936.12

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Solution

The fourth proportional to 14,650.43, 20,217.62 and 7,936.12 is: 10,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.43 : 20,217.62 = 7,936.12 : x
  2. Step 2: Convert to fraction form
    14,650.43/20,217.62 = 7,936.12/x
  3. Step 3: Cross multiply
    14,650.43x = 20,217.62 × 7,936.12
  4. Step 4: Simplify right side
    14,650.43x = 160,449,317.67
  5. Step 5: Solve for x
    x = 160,449,317.67/14,650.43
  6. Step 6: Final answer
    x = 10,951.85

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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.