Home / 17,857.91-26,790.62-6,764.36

Finding the Fourth Proportional to 17,857.91, 26,790.62 and 6,764.36

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Solution

The fourth proportional to 17,857.91, 26,790.62 and 6,764.36 is: 10,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.91 : 26,790.62 = 6,764.36 : x
  2. Step 2: Convert to fraction form
    17,857.91/26,790.62 = 6,764.36/x
  3. Step 3: Cross multiply
    17,857.91x = 26,790.62 × 6,764.36
  4. Step 4: Simplify right side
    17,857.91x = 181,221,230.53
  5. Step 5: Solve for x
    x = 181,221,230.53/17,857.91
  6. Step 6: Final answer
    x = 10,147.95

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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.