Home / 15,908.06-23,863.23-4,221.02

Finding the Fourth Proportional to 15,908.06, 23,863.23 and 4,221.02

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Solution

The fourth proportional to 15,908.06, 23,863.23 and 4,221.02 is: 6,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.06 : 23,863.23 = 4,221.02 : x
  2. Step 2: Convert to fraction form
    15,908.06/23,863.23 = 4,221.02/x
  3. Step 3: Cross multiply
    15,908.06x = 23,863.23 × 4,221.02
  4. Step 4: Simplify right side
    15,908.06x = 100,727,171.09
  5. Step 5: Solve for x
    x = 100,727,171.09/15,908.06
  6. Step 6: Final answer
    x = 6,331.83

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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.