Home / 17,388.82-26,072.08-11,458.81

Finding the Fourth Proportional to 17,388.82, 26,072.08 and 11,458.81

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Solution

The fourth proportional to 17,388.82, 26,072.08 and 11,458.81 is: 17,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.82 : 26,072.08 = 11,458.81 : x
  2. Step 2: Convert to fraction form
    17,388.82/26,072.08 = 11,458.81/x
  3. Step 3: Cross multiply
    17,388.82x = 26,072.08 × 11,458.81
  4. Step 4: Simplify right side
    17,388.82x = 298,755,011.02
  5. Step 5: Solve for x
    x = 298,755,011.02/17,388.82
  6. Step 6: Final answer
    x = 17,180.87

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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.