Home / 22,072.91-30,469.43-13,578.48

Finding the Fourth Proportional to 22,072.91, 30,469.43 and 13,578.48

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Solution

The fourth proportional to 22,072.91, 30,469.43 and 13,578.48 is: 18,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.91 : 30,469.43 = 13,578.48 : x
  2. Step 2: Convert to fraction form
    22,072.91/30,469.43 = 13,578.48/x
  3. Step 3: Cross multiply
    22,072.91x = 30,469.43 × 13,578.48
  4. Step 4: Simplify right side
    22,072.91x = 413,728,579.81
  5. Step 5: Solve for x
    x = 413,728,579.81/22,072.91
  6. Step 6: Final answer
    x = 18,743.73

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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.