Home / 33,158.25-45,758.40-18,254.25

Finding the Fourth Proportional to 33,158.25, 45,758.40 and 18,254.25

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Solution

The fourth proportional to 33,158.25, 45,758.40 and 18,254.25 is: 25,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.25 : 45,758.40 = 18,254.25 : x
  2. Step 2: Convert to fraction form
    33,158.25/45,758.40 = 18,254.25/x
  3. Step 3: Cross multiply
    33,158.25x = 45,758.40 × 18,254.25
  4. Step 4: Simplify right side
    33,158.25x = 835,285,273.20
  5. Step 5: Solve for x
    x = 835,285,273.20/33,158.25
  6. Step 6: Final answer
    x = 25,190.87

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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.