Home / 33,111.75-45,694.22-18,207.75

Finding the Fourth Proportional to 33,111.75, 45,694.22 and 18,207.75

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Solution

The fourth proportional to 33,111.75, 45,694.22 and 18,207.75 is: 25,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,111.75 : 45,694.22 = 18,207.75 : x
  2. Step 2: Convert to fraction form
    33,111.75/45,694.22 = 18,207.75/x
  3. Step 3: Cross multiply
    33,111.75x = 45,694.22 × 18,207.75
  4. Step 4: Simplify right side
    33,111.75x = 831,988,934.21
  5. Step 5: Solve for x
    x = 831,988,934.21/33,111.75
  6. Step 6: Final answer
    x = 25,126.70

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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.