Home / 43,708.38-65,560.82-12,543.62

Finding the Fourth Proportional to 43,708.38, 65,560.82 and 12,543.62

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Solution

The fourth proportional to 43,708.38, 65,560.82 and 12,543.62 is: 18,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,708.38 : 65,560.82 = 12,543.62 : x
  2. Step 2: Convert to fraction form
    43,708.38/65,560.82 = 12,543.62/x
  3. Step 3: Cross multiply
    43,708.38x = 65,560.82 × 12,543.62
  4. Step 4: Simplify right side
    43,708.38x = 822,370,012.97
  5. Step 5: Solve for x
    x = 822,370,012.97/43,708.38
  6. Step 6: Final answer
    x = 18,814.93

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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.