Home / 33,286.09-45,935.12-18,945.22

Finding the Fourth Proportional to 33,286.09, 45,935.12 and 18,945.22

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Solution

The fourth proportional to 33,286.09, 45,935.12 and 18,945.22 is: 26,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.09 : 45,935.12 = 18,945.22 : x
  2. Step 2: Convert to fraction form
    33,286.09/45,935.12 = 18,945.22/x
  3. Step 3: Cross multiply
    33,286.09x = 45,935.12 × 18,945.22
  4. Step 4: Simplify right side
    33,286.09x = 870,250,744.56
  5. Step 5: Solve for x
    x = 870,250,744.56/33,286.09
  6. Step 6: Final answer
    x = 26,144.58

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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.