Home / 16,029.88-22,120.82-8,956.36

Finding the Fourth Proportional to 16,029.88, 22,120.82 and 8,956.36

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Solution

The fourth proportional to 16,029.88, 22,120.82 and 8,956.36 is: 12,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.88 : 22,120.82 = 8,956.36 : x
  2. Step 2: Convert to fraction form
    16,029.88/22,120.82 = 8,956.36/x
  3. Step 3: Cross multiply
    16,029.88x = 22,120.82 × 8,956.36
  4. Step 4: Simplify right side
    16,029.88x = 198,121,872.03
  5. Step 5: Solve for x
    x = 198,121,872.03/16,029.88
  6. Step 6: Final answer
    x = 12,359.54

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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.