Home / 18,100.89-24,976.82-10,143.25

Finding the Fourth Proportional to 18,100.89, 24,976.82 and 10,143.25

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Solution

The fourth proportional to 18,100.89, 24,976.82 and 10,143.25 is: 13,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.89 : 24,976.82 = 10,143.25 : x
  2. Step 2: Convert to fraction form
    18,100.89/24,976.82 = 10,143.25/x
  3. Step 3: Cross multiply
    18,100.89x = 24,976.82 × 10,143.25
  4. Step 4: Simplify right side
    18,100.89x = 253,346,092.38
  5. Step 5: Solve for x
    x = 253,346,092.38/18,100.89
  6. Step 6: Final answer
    x = 13,996.33

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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.