Home / 13,617.22-18,796.68-10,269.62

Finding the Fourth Proportional to 13,617.22, 18,796.68 and 10,269.62

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Solution

The fourth proportional to 13,617.22, 18,796.68 and 10,269.62 is: 14,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.22 : 18,796.68 = 10,269.62 : x
  2. Step 2: Convert to fraction form
    13,617.22/18,796.68 = 10,269.62/x
  3. Step 3: Cross multiply
    13,617.22x = 18,796.68 × 10,269.62
  4. Step 4: Simplify right side
    13,617.22x = 193,034,760.86
  5. Step 5: Solve for x
    x = 193,034,760.86/13,617.22
  6. Step 6: Final answer
    x = 14,175.78

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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.