Home / 33,286.97-45,936.32-18,946.09

Finding the Fourth Proportional to 33,286.97, 45,936.32 and 18,946.09

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Solution

The fourth proportional to 33,286.97, 45,936.32 and 18,946.09 is: 26,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.97 : 45,936.32 = 18,946.09 : x
  2. Step 2: Convert to fraction form
    33,286.97/45,936.32 = 18,946.09/x
  3. Step 3: Cross multiply
    33,286.97x = 45,936.32 × 18,946.09
  4. Step 4: Simplify right side
    33,286.97x = 870,313,757.77
  5. Step 5: Solve for x
    x = 870,313,757.77/33,286.97
  6. Step 6: Final answer
    x = 26,145.78

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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.