Home / 33,286.03-45,934.61-19,857.85

Finding the Fourth Proportional to 33,286.03, 45,934.61 and 19,857.85

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Solution

The fourth proportional to 33,286.03, 45,934.61 and 19,857.85 is: 27,403.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286.03 : 45,934.61 = 19,857.85 : x
  2. Step 2: Convert to fraction form
    33,286.03/45,934.61 = 19,857.85/x
  3. Step 3: Cross multiply
    33,286.03x = 45,934.61 × 19,857.85
  4. Step 4: Simplify right side
    33,286.03x = 912,162,266.23
  5. Step 5: Solve for x
    x = 912,162,266.23/33,286.03
  6. Step 6: Final answer
    x = 27,403.76

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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.