Home / 16,116.18-22,239.97-8,945.67

Finding the Fourth Proportional to 16,116.18, 22,239.97 and 8,945.67

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Solution

The fourth proportional to 16,116.18, 22,239.97 and 8,945.67 is: 12,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,116.18 : 22,239.97 = 8,945.67 : x
  2. Step 2: Convert to fraction form
    16,116.18/22,239.97 = 8,945.67/x
  3. Step 3: Cross multiply
    16,116.18x = 22,239.97 × 8,945.67
  4. Step 4: Simplify right side
    16,116.18x = 198,951,493.47
  5. Step 5: Solve for x
    x = 198,951,493.47/16,116.18
  6. Step 6: Final answer
    x = 12,344.83

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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.