Home / 13,249.44-19,874.12-3,388.70

Finding the Fourth Proportional to 13,249.44, 19,874.12 and 3,388.70

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Solution

The fourth proportional to 13,249.44, 19,874.12 and 3,388.70 is: 5,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.44 : 19,874.12 = 3,388.70 : x
  2. Step 2: Convert to fraction form
    13,249.44/19,874.12 = 3,388.70/x
  3. Step 3: Cross multiply
    13,249.44x = 19,874.12 × 3,388.70
  4. Step 4: Simplify right side
    13,249.44x = 67,347,463.19
  5. Step 5: Solve for x
    x = 67,347,463.19/13,249.44
  6. Step 6: Final answer
    x = 5,083.04

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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.