Home / 33,275.87-45,918.63-18,165.45

Finding the Fourth Proportional to 33,275.87, 45,918.63 and 18,165.45

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Solution

The fourth proportional to 33,275.87, 45,918.63 and 18,165.45 is: 25,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,275.87 : 45,918.63 = 18,165.45 : x
  2. Step 2: Convert to fraction form
    33,275.87/45,918.63 = 18,165.45/x
  3. Step 3: Cross multiply
    33,275.87x = 45,918.63 × 18,165.45
  4. Step 4: Simplify right side
    33,275.87x = 834,132,577.33
  5. Step 5: Solve for x
    x = 834,132,577.33/33,275.87
  6. Step 6: Final answer
    x = 25,067.19

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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.