Home / 17,922.21-26,853.24-11,672.87

Finding the Fourth Proportional to 17,922.21, 26,853.24 and 11,672.87

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Solution

The fourth proportional to 17,922.21, 26,853.24 and 11,672.87 is: 17,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,922.21 : 26,853.24 = 11,672.87 : x
  2. Step 2: Convert to fraction form
    17,922.21/26,853.24 = 11,672.87/x
  3. Step 3: Cross multiply
    17,922.21x = 26,853.24 × 11,672.87
  4. Step 4: Simplify right side
    17,922.21x = 313,454,245.33
  5. Step 5: Solve for x
    x = 313,454,245.33/17,922.21
  6. Step 6: Final answer
    x = 17,489.71

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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.