Home / 33,174.35-45,784.39-19,745.65

Finding the Fourth Proportional to 33,174.35, 45,784.39 and 19,745.65

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Solution

The fourth proportional to 33,174.35, 45,784.39 and 19,745.65 is: 27,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,174.35 : 45,784.39 = 19,745.65 : x
  2. Step 2: Convert to fraction form
    33,174.35/45,784.39 = 19,745.65/x
  3. Step 3: Cross multiply
    33,174.35x = 45,784.39 × 19,745.65
  4. Step 4: Simplify right side
    33,174.35x = 904,042,441.68
  5. Step 5: Solve for x
    x = 904,042,441.68/33,174.35
  6. Step 6: Final answer
    x = 27,251.25

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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.