Home / 16,661.22-24,995.10-7,891.38

Finding the Fourth Proportional to 16,661.22, 24,995.10 and 7,891.38

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Solution

The fourth proportional to 16,661.22, 24,995.10 and 7,891.38 is: 11,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.22 : 24,995.10 = 7,891.38 : x
  2. Step 2: Convert to fraction form
    16,661.22/24,995.10 = 7,891.38/x
  3. Step 3: Cross multiply
    16,661.22x = 24,995.10 × 7,891.38
  4. Step 4: Simplify right side
    16,661.22x = 197,245,832.24
  5. Step 5: Solve for x
    x = 197,245,832.24/16,661.22
  6. Step 6: Final answer
    x = 11,838.62

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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.