Home / 43,149.92-64,723.04-13,567.12

Finding the Fourth Proportional to 43,149.92, 64,723.04 and 13,567.12

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Solution

The fourth proportional to 43,149.92, 64,723.04 and 13,567.12 is: 20,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,149.92 : 64,723.04 = 13,567.12 : x
  2. Step 2: Convert to fraction form
    43,149.92/64,723.04 = 13,567.12/x
  3. Step 3: Cross multiply
    43,149.92x = 64,723.04 × 13,567.12
  4. Step 4: Simplify right side
    43,149.92x = 878,105,250.44
  5. Step 5: Solve for x
    x = 878,105,250.44/43,149.92
  6. Step 6: Final answer
    x = 20,350.10

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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.