Home / 19,401.39-26,757.68-11,936.43

Finding the Fourth Proportional to 19,401.39, 26,757.68 and 11,936.43

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Solution

The fourth proportional to 19,401.39, 26,757.68 and 11,936.43 is: 16,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.39 : 26,757.68 = 11,936.43 : x
  2. Step 2: Convert to fraction form
    19,401.39/26,757.68 = 11,936.43/x
  3. Step 3: Cross multiply
    19,401.39x = 26,757.68 × 11,936.43
  4. Step 4: Simplify right side
    19,401.39x = 319,391,114.60
  5. Step 5: Solve for x
    x = 319,391,114.60/19,401.39
  6. Step 6: Final answer
    x = 16,462.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.