Home / 22,067.61-30,453.21-12,998.24

Finding the Fourth Proportional to 22,067.61, 30,453.21 and 12,998.24

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Solution

The fourth proportional to 22,067.61, 30,453.21 and 12,998.24 is: 17,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,067.61 : 30,453.21 = 12,998.24 : x
  2. Step 2: Convert to fraction form
    22,067.61/30,453.21 = 12,998.24/x
  3. Step 3: Cross multiply
    22,067.61x = 30,453.21 × 12,998.24
  4. Step 4: Simplify right side
    22,067.61x = 395,837,915.09
  5. Step 5: Solve for x
    x = 395,837,915.09/22,067.61
  6. Step 6: Final answer
    x = 17,937.51

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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.