Home / 17,376.93-23,979.78-9,418.95

Finding the Fourth Proportional to 17,376.93, 23,979.78 and 9,418.95

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Solution

The fourth proportional to 17,376.93, 23,979.78 and 9,418.95 is: 12,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.93 : 23,979.78 = 9,418.95 : x
  2. Step 2: Convert to fraction form
    17,376.93/23,979.78 = 9,418.95/x
  3. Step 3: Cross multiply
    17,376.93x = 23,979.78 × 9,418.95
  4. Step 4: Simplify right side
    17,376.93x = 225,864,348.83
  5. Step 5: Solve for x
    x = 225,864,348.83/17,376.93
  6. Step 6: Final answer
    x = 12,997.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.