Home / 22,696.20-34,039.80-7,905.96

Finding the Fourth Proportional to 22,696.20, 34,039.80 and 7,905.96

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Solution

The fourth proportional to 22,696.20, 34,039.80 and 7,905.96 is: 11,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.20 : 34,039.80 = 7,905.96 : x
  2. Step 2: Convert to fraction form
    22,696.20/34,039.80 = 7,905.96/x
  3. Step 3: Cross multiply
    22,696.20x = 34,039.80 × 7,905.96
  4. Step 4: Simplify right side
    22,696.20x = 269,117,297.21
  5. Step 5: Solve for x
    x = 269,117,297.21/22,696.20
  6. Step 6: Final answer
    x = 11,857.37

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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.