Home / 22,896.78-31,595.34-12,824.43

Finding the Fourth Proportional to 22,896.78, 31,595.34 and 12,824.43

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Solution

The fourth proportional to 22,896.78, 31,595.34 and 12,824.43 is: 17,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,896.78 : 31,595.34 = 12,824.43 : x
  2. Step 2: Convert to fraction form
    22,896.78/31,595.34 = 12,824.43/x
  3. Step 3: Cross multiply
    22,896.78x = 31,595.34 × 12,824.43
  4. Step 4: Simplify right side
    22,896.78x = 405,192,226.16
  5. Step 5: Solve for x
    x = 405,192,226.16/22,896.78
  6. Step 6: Final answer
    x = 17,696.47

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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.