Home / 33,121.01-45,706.77-18,013.65

Finding the Fourth Proportional to 33,121.01, 45,706.77 and 18,013.65

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Solution

The fourth proportional to 33,121.01, 45,706.77 and 18,013.65 is: 24,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.01 : 45,706.77 = 18,013.65 : x
  2. Step 2: Convert to fraction form
    33,121.01/45,706.77 = 18,013.65/x
  3. Step 3: Cross multiply
    33,121.01x = 45,706.77 × 18,013.65
  4. Step 4: Simplify right side
    33,121.01x = 823,345,757.41
  5. Step 5: Solve for x
    x = 823,345,757.41/33,121.01
  6. Step 6: Final answer
    x = 24,858.72

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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.