Home / 16,120.54-22,245.75-8,950.77

Finding the Fourth Proportional to 16,120.54, 22,245.75 and 8,950.77

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Solution

The fourth proportional to 16,120.54, 22,245.75 and 8,950.77 is: 12,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.54 : 22,245.75 = 8,950.77 : x
  2. Step 2: Convert to fraction form
    16,120.54/22,245.75 = 8,950.77/x
  3. Step 3: Cross multiply
    16,120.54x = 22,245.75 × 8,950.77
  4. Step 4: Simplify right side
    16,120.54x = 199,116,591.73
  5. Step 5: Solve for x
    x = 199,116,591.73/16,120.54
  6. Step 6: Final answer
    x = 12,351.73

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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.