Home / 15,982.94-23,974.64-6,122.72

Finding the Fourth Proportional to 15,982.94, 23,974.64 and 6,122.72

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Solution

The fourth proportional to 15,982.94, 23,974.64 and 6,122.72 is: 9,184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.94 : 23,974.64 = 6,122.72 : x
  2. Step 2: Convert to fraction form
    15,982.94/23,974.64 = 6,122.72/x
  3. Step 3: Cross multiply
    15,982.94x = 23,974.64 × 6,122.72
  4. Step 4: Simplify right side
    15,982.94x = 146,790,007.82
  5. Step 5: Solve for x
    x = 146,790,007.82/15,982.94
  6. Step 6: Final answer
    x = 9,184.17

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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.