Home / 22,678.25-34,021.01-7,891.36

Finding the Fourth Proportional to 22,678.25, 34,021.01 and 7,891.36

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Solution

The fourth proportional to 22,678.25, 34,021.01 and 7,891.36 is: 11,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.25 : 34,021.01 = 7,891.36 : x
  2. Step 2: Convert to fraction form
    22,678.25/34,021.01 = 7,891.36/x
  3. Step 3: Cross multiply
    22,678.25x = 34,021.01 × 7,891.36
  4. Step 4: Simplify right side
    22,678.25x = 268,471,972.15
  5. Step 5: Solve for x
    x = 268,471,972.15/22,678.25
  6. Step 6: Final answer
    x = 11,838.30

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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.