Home / 22,229.17-30,675.82-12,157.58

Finding the Fourth Proportional to 22,229.17, 30,675.82 and 12,157.58

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Solution

The fourth proportional to 22,229.17, 30,675.82 and 12,157.58 is: 16,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.17 : 30,675.82 = 12,157.58 : x
  2. Step 2: Convert to fraction form
    22,229.17/30,675.82 = 12,157.58/x
  3. Step 3: Cross multiply
    22,229.17x = 30,675.82 × 12,157.58
  4. Step 4: Simplify right side
    22,229.17x = 372,943,551.94
  5. Step 5: Solve for x
    x = 372,943,551.94/22,229.17
  6. Step 6: Final answer
    x = 16,777.22

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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.