Home / 13,552.62-18,705.54-8,249.16

Finding the Fourth Proportional to 13,552.62, 18,705.54 and 8,249.16

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Solution

The fourth proportional to 13,552.62, 18,705.54 and 8,249.16 is: 11,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.62 : 18,705.54 = 8,249.16 : x
  2. Step 2: Convert to fraction form
    13,552.62/18,705.54 = 8,249.16/x
  3. Step 3: Cross multiply
    13,552.62x = 18,705.54 × 8,249.16
  4. Step 4: Simplify right side
    13,552.62x = 154,304,992.35
  5. Step 5: Solve for x
    x = 154,304,992.35/13,552.62
  6. Step 6: Final answer
    x = 11,385.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.