Home / 18,657.11-25,743.75-11,593.10

Finding the Fourth Proportional to 18,657.11, 25,743.75 and 11,593.10

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Solution

The fourth proportional to 18,657.11, 25,743.75 and 11,593.10 is: 15,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.11 : 25,743.75 = 11,593.10 : x
  2. Step 2: Convert to fraction form
    18,657.11/25,743.75 = 11,593.10/x
  3. Step 3: Cross multiply
    18,657.11x = 25,743.75 × 11,593.10
  4. Step 4: Simplify right side
    18,657.11x = 298,449,868.13
  5. Step 5: Solve for x
    x = 298,449,868.13/18,657.11
  6. Step 6: Final answer
    x = 15,996.58

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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.