Home / 33,326.43-45,991.70-18,220.11

Finding the Fourth Proportional to 33,326.43, 45,991.70 and 18,220.11

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Solution

The fourth proportional to 33,326.43, 45,991.70 and 18,220.11 is: 25,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.43 : 45,991.70 = 18,220.11 : x
  2. Step 2: Convert to fraction form
    33,326.43/45,991.70 = 18,220.11/x
  3. Step 3: Cross multiply
    33,326.43x = 45,991.70 × 18,220.11
  4. Step 4: Simplify right side
    33,326.43x = 837,973,833.09
  5. Step 5: Solve for x
    x = 837,973,833.09/33,326.43
  6. Step 6: Final answer
    x = 25,144.42

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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.