Home / 33,131.26-45,722.34-18,986.84

Finding the Fourth Proportional to 33,131.26, 45,722.34 and 18,986.84

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Solution

The fourth proportional to 33,131.26, 45,722.34 and 18,986.84 is: 26,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,131.26 : 45,722.34 = 18,986.84 : x
  2. Step 2: Convert to fraction form
    33,131.26/45,722.34 = 18,986.84/x
  3. Step 3: Cross multiply
    33,131.26x = 45,722.34 × 18,986.84
  4. Step 4: Simplify right side
    33,131.26x = 868,122,754.01
  5. Step 5: Solve for x
    x = 868,122,754.01/33,131.26
  6. Step 6: Final answer
    x = 26,202.53

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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.