Home / 33,286.75-45,935.72-18,382.75

Finding the Fourth Proportional to 33,286.75, 45,935.72 and 18,382.75

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Solution

The fourth proportional to 33,286.75, 45,935.72 and 18,382.75 is: 25,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.75 : 45,935.72 = 18,382.75 : x
  2. Step 2: Convert to fraction form
    33,286.75/45,935.72 = 18,382.75/x
  3. Step 3: Cross multiply
    33,286.75x = 45,935.72 × 18,382.75
  4. Step 4: Simplify right side
    33,286.75x = 844,424,856.83
  5. Step 5: Solve for x
    x = 844,424,856.83/33,286.75
  6. Step 6: Final answer
    x = 25,368.20

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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.