Home / 17,731.33-26,609.28-11,475.77

Finding the Fourth Proportional to 17,731.33, 26,609.28 and 11,475.77

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Solution

The fourth proportional to 17,731.33, 26,609.28 and 11,475.77 is: 17,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.33 : 26,609.28 = 11,475.77 : x
  2. Step 2: Convert to fraction form
    17,731.33/26,609.28 = 11,475.77/x
  3. Step 3: Cross multiply
    17,731.33x = 26,609.28 × 11,475.77
  4. Step 4: Simplify right side
    17,731.33x = 305,361,977.15
  5. Step 5: Solve for x
    x = 305,361,977.15/17,731.33
  6. Step 6: Final answer
    x = 17,221.61

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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.