Home / 33,128.09-45,716.94-19,696.73

Finding the Fourth Proportional to 33,128.09, 45,716.94 and 19,696.73

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Solution

The fourth proportional to 33,128.09, 45,716.94 and 19,696.73 is: 27,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,128.09 : 45,716.94 = 19,696.73 : x
  2. Step 2: Convert to fraction form
    33,128.09/45,716.94 = 19,696.73/x
  3. Step 3: Cross multiply
    33,128.09x = 45,716.94 × 19,696.73
  4. Step 4: Simplify right side
    33,128.09x = 900,473,995.02
  5. Step 5: Solve for x
    x = 900,473,995.02/33,128.09
  6. Step 6: Final answer
    x = 27,181.59

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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.