Home / 26,013.10-39,021.37-9,144.07

Finding the Fourth Proportional to 26,013.10, 39,021.37 and 9,144.07

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Solution

The fourth proportional to 26,013.10, 39,021.37 and 9,144.07 is: 13,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,013.10 : 39,021.37 = 9,144.07 : x
  2. Step 2: Convert to fraction form
    26,013.10/39,021.37 = 9,144.07/x
  3. Step 3: Cross multiply
    26,013.10x = 39,021.37 × 9,144.07
  4. Step 4: Simplify right side
    26,013.10x = 356,814,138.78
  5. Step 5: Solve for x
    x = 356,814,138.78/26,013.10
  6. Step 6: Final answer
    x = 13,716.71

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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.