Home / 17,456.39-26,163.78-12,162.74

Finding the Fourth Proportional to 17,456.39, 26,163.78 and 12,162.74

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Solution

The fourth proportional to 17,456.39, 26,163.78 and 12,162.74 is: 18,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,456.39 : 26,163.78 = 12,162.74 : x
  2. Step 2: Convert to fraction form
    17,456.39/26,163.78 = 12,162.74/x
  3. Step 3: Cross multiply
    17,456.39x = 26,163.78 × 12,162.74
  4. Step 4: Simplify right side
    17,456.39x = 318,223,077.13
  5. Step 5: Solve for x
    x = 318,223,077.13/17,456.39
  6. Step 6: Final answer
    x = 18,229.61

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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.