Home / 33,083.12-45,634.56-19,645.28

Finding the Fourth Proportional to 33,083.12, 45,634.56 and 19,645.28

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Solution

The fourth proportional to 33,083.12, 45,634.56 and 19,645.28 is: 27,098.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,083.12 : 45,634.56 = 19,645.28 : x
  2. Step 2: Convert to fraction form
    33,083.12/45,634.56 = 19,645.28/x
  3. Step 3: Cross multiply
    33,083.12x = 45,634.56 × 19,645.28
  4. Step 4: Simplify right side
    33,083.12x = 896,503,708.88
  5. Step 5: Solve for x
    x = 896,503,708.88/33,083.12
  6. Step 6: Final answer
    x = 27,098.52

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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.