Home / 18,902.43-26,086.86-10,944.79

Finding the Fourth Proportional to 18,902.43, 26,086.86 and 10,944.79

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Solution

The fourth proportional to 18,902.43, 26,086.86 and 10,944.79 is: 15,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.43 : 26,086.86 = 10,944.79 : x
  2. Step 2: Convert to fraction form
    18,902.43/26,086.86 = 10,944.79/x
  3. Step 3: Cross multiply
    18,902.43x = 26,086.86 × 10,944.79
  4. Step 4: Simplify right side
    18,902.43x = 285,515,139.24
  5. Step 5: Solve for x
    x = 285,515,139.24/18,902.43
  6. Step 6: Final answer
    x = 15,104.68

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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.