Home / 33,276.25-45,921.36-18,169.21

Finding the Fourth Proportional to 33,276.25, 45,921.36 and 18,169.21

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Solution

The fourth proportional to 33,276.25, 45,921.36 and 18,169.21 is: 25,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,276.25 : 45,921.36 = 18,169.21 : x
  2. Step 2: Convert to fraction form
    33,276.25/45,921.36 = 18,169.21/x
  3. Step 3: Cross multiply
    33,276.25x = 45,921.36 × 18,169.21
  4. Step 4: Simplify right side
    33,276.25x = 834,354,833.33
  5. Step 5: Solve for x
    x = 834,354,833.33/33,276.25
  6. Step 6: Final answer
    x = 25,073.58

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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.