Home / 33,904.75-50,857.13-13,128.25

Finding the Fourth Proportional to 33,904.75, 50,857.13 and 13,128.25

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Solution

The fourth proportional to 33,904.75, 50,857.13 and 13,128.25 is: 19,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,904.75 : 50,857.13 = 13,128.25 : x
  2. Step 2: Convert to fraction form
    33,904.75/50,857.13 = 13,128.25/x
  3. Step 3: Cross multiply
    33,904.75x = 50,857.13 × 13,128.25
  4. Step 4: Simplify right side
    33,904.75x = 667,665,116.92
  5. Step 5: Solve for x
    x = 667,665,116.92/33,904.75
  6. Step 6: Final answer
    x = 19,692.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.