Home / 33,173.12-45,778.68-18,269.12

Finding the Fourth Proportional to 33,173.12, 45,778.68 and 18,269.12

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Solution

The fourth proportional to 33,173.12, 45,778.68 and 18,269.12 is: 25,211.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,173.12 : 45,778.68 = 18,269.12 : x
  2. Step 2: Convert to fraction form
    33,173.12/45,778.68 = 18,269.12/x
  3. Step 3: Cross multiply
    33,173.12x = 45,778.68 × 18,269.12
  4. Step 4: Simplify right side
    33,173.12x = 836,336,198.36
  5. Step 5: Solve for x
    x = 836,336,198.36/33,173.12
  6. Step 6: Final answer
    x = 25,211.26

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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.