Home / 33,074.60-45,645.26-18,734.29

Finding the Fourth Proportional to 33,074.60, 45,645.26 and 18,734.29

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Solution

The fourth proportional to 33,074.60, 45,645.26 and 18,734.29 is: 25,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,074.60 : 45,645.26 = 18,734.29 : x
  2. Step 2: Convert to fraction form
    33,074.60/45,645.26 = 18,734.29/x
  3. Step 3: Cross multiply
    33,074.60x = 45,645.26 × 18,734.29
  4. Step 4: Simplify right side
    33,074.60x = 855,131,330.18
  5. Step 5: Solve for x
    x = 855,131,330.18/33,074.60
  6. Step 6: Final answer
    x = 25,854.63

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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.