Home / 16,138.88-24,217.69-6,778.18

Finding the Fourth Proportional to 16,138.88, 24,217.69 and 6,778.18

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Solution

The fourth proportional to 16,138.88, 24,217.69 and 6,778.18 is: 10,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.88 : 24,217.69 = 6,778.18 : x
  2. Step 2: Convert to fraction form
    16,138.88/24,217.69 = 6,778.18/x
  3. Step 3: Cross multiply
    16,138.88x = 24,217.69 × 6,778.18
  4. Step 4: Simplify right side
    16,138.88x = 164,151,740.92
  5. Step 5: Solve for x
    x = 164,151,740.92/16,138.88
  6. Step 6: Final answer
    x = 10,171.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.