Home / 13,508.94-20,249.56-5,616.03

Finding the Fourth Proportional to 13,508.94, 20,249.56 and 5,616.03

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Solution

The fourth proportional to 13,508.94, 20,249.56 and 5,616.03 is: 8,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.94 : 20,249.56 = 5,616.03 : x
  2. Step 2: Convert to fraction form
    13,508.94/20,249.56 = 5,616.03/x
  3. Step 3: Cross multiply
    13,508.94x = 20,249.56 × 5,616.03
  4. Step 4: Simplify right side
    13,508.94x = 113,722,110.28
  5. Step 5: Solve for x
    x = 113,722,110.28/13,508.94
  6. Step 6: Final answer
    x = 8,418.29

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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.