Home / 18,241.82-25,175.24-10,285.70

Finding the Fourth Proportional to 18,241.82, 25,175.24 and 10,285.70

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Solution

The fourth proportional to 18,241.82, 25,175.24 and 10,285.70 is: 14,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.82 : 25,175.24 = 10,285.70 : x
  2. Step 2: Convert to fraction form
    18,241.82/25,175.24 = 10,285.70/x
  3. Step 3: Cross multiply
    18,241.82x = 25,175.24 × 10,285.70
  4. Step 4: Simplify right side
    18,241.82x = 258,944,827.33
  5. Step 5: Solve for x
    x = 258,944,827.33/18,241.82
  6. Step 6: Final answer
    x = 14,195.12

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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.