Home / 16,896.13-25,398.83-15,678.70

Finding the Fourth Proportional to 16,896.13, 25,398.83 and 15,678.70

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Solution

The fourth proportional to 16,896.13, 25,398.83 and 15,678.70 is: 23,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.13 : 25,398.83 = 15,678.70 : x
  2. Step 2: Convert to fraction form
    16,896.13/25,398.83 = 15,678.70/x
  3. Step 3: Cross multiply
    16,896.13x = 25,398.83 × 15,678.70
  4. Step 4: Simplify right side
    16,896.13x = 398,220,611.62
  5. Step 5: Solve for x
    x = 398,220,611.62/16,896.13
  6. Step 6: Final answer
    x = 23,568.75

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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.