Home / 33,112.13-45,694.73-18,965.88

Finding the Fourth Proportional to 33,112.13, 45,694.73 and 18,965.88

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Solution

The fourth proportional to 33,112.13, 45,694.73 and 18,965.88 is: 26,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.13 : 45,694.73 = 18,965.88 : x
  2. Step 2: Convert to fraction form
    33,112.13/45,694.73 = 18,965.88/x
  3. Step 3: Cross multiply
    33,112.13x = 45,694.73 × 18,965.88
  4. Step 4: Simplify right side
    33,112.13x = 866,640,813.23
  5. Step 5: Solve for x
    x = 866,640,813.23/33,112.13
  6. Step 6: Final answer
    x = 26,172.91

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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.