Home / 18,556.49-27,839.33-5,408.97

Finding the Fourth Proportional to 18,556.49, 27,839.33 and 5,408.97

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Solution

The fourth proportional to 18,556.49, 27,839.33 and 5,408.97 is: 8,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.49 : 27,839.33 = 5,408.97 : x
  2. Step 2: Convert to fraction form
    18,556.49/27,839.33 = 5,408.97/x
  3. Step 3: Cross multiply
    18,556.49x = 27,839.33 × 5,408.97
  4. Step 4: Simplify right side
    18,556.49x = 150,582,073.75
  5. Step 5: Solve for x
    x = 150,582,073.75/18,556.49
  6. Step 6: Final answer
    x = 8,114.80

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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.