Home / 33,182.25-45,789.88-18,840.20

Finding the Fourth Proportional to 33,182.25, 45,789.88 and 18,840.20

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Solution

The fourth proportional to 33,182.25, 45,789.88 and 18,840.20 is: 25,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,182.25 : 45,789.88 = 18,840.20 : x
  2. Step 2: Convert to fraction form
    33,182.25/45,789.88 = 18,840.20/x
  3. Step 3: Cross multiply
    33,182.25x = 45,789.88 × 18,840.20
  4. Step 4: Simplify right side
    33,182.25x = 862,690,268.23
  5. Step 5: Solve for x
    x = 862,690,268.23/33,182.25
  6. Step 6: Final answer
    x = 25,998.55

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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.