Home / 16,678.68-25,016.16-4,198.70

Finding the Fourth Proportional to 16,678.68, 25,016.16 and 4,198.70

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Solution

The fourth proportional to 16,678.68, 25,016.16 and 4,198.70 is: 6,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.68 : 25,016.16 = 4,198.70 : x
  2. Step 2: Convert to fraction form
    16,678.68/25,016.16 = 4,198.70/x
  3. Step 3: Cross multiply
    16,678.68x = 25,016.16 × 4,198.70
  4. Step 4: Simplify right side
    16,678.68x = 105,035,350.99
  5. Step 5: Solve for x
    x = 105,035,350.99/16,678.68
  6. Step 6: Final answer
    x = 6,297.58

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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.