Home / 27,408.36-41,112.65-9,879.56

Finding the Fourth Proportional to 27,408.36, 41,112.65 and 9,879.56

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Solution

The fourth proportional to 27,408.36, 41,112.65 and 9,879.56 is: 14,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408.36 : 41,112.65 = 9,879.56 : x
  2. Step 2: Convert to fraction form
    27,408.36/41,112.65 = 9,879.56/x
  3. Step 3: Cross multiply
    27,408.36x = 41,112.65 × 9,879.56
  4. Step 4: Simplify right side
    27,408.36x = 406,174,892.43
  5. Step 5: Solve for x
    x = 406,174,892.43/27,408.36
  6. Step 6: Final answer
    x = 14,819.38

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1.5x scale

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.