Home / 33,121.11-45,707.73-18,014.11

Finding the Fourth Proportional to 33,121.11, 45,707.73 and 18,014.11

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Solution

The fourth proportional to 33,121.11, 45,707.73 and 18,014.11 is: 24,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.11 : 45,707.73 = 18,014.11 : x
  2. Step 2: Convert to fraction form
    33,121.11/45,707.73 = 18,014.11/x
  3. Step 3: Cross multiply
    33,121.11x = 45,707.73 × 18,014.11
  4. Step 4: Simplify right side
    33,121.11x = 823,383,894.25
  5. Step 5: Solve for x
    x = 823,383,894.25/33,121.11
  6. Step 6: Final answer
    x = 24,859.79

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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.