Home / 22,076.89-30,467.22-13,579.49

Finding the Fourth Proportional to 22,076.89, 30,467.22 and 13,579.49

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Solution

The fourth proportional to 22,076.89, 30,467.22 and 13,579.49 is: 18,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,076.89 : 30,467.22 = 13,579.49 : x
  2. Step 2: Convert to fraction form
    22,076.89/30,467.22 = 13,579.49/x
  3. Step 3: Cross multiply
    22,076.89x = 30,467.22 × 13,579.49
  4. Step 4: Simplify right side
    22,076.89x = 413,729,309.32
  5. Step 5: Solve for x
    x = 413,729,309.32/22,076.89
  6. Step 6: Final answer
    x = 18,740.38

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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.