Home / 22,496.84-31,046.85-12,936.61

Finding the Fourth Proportional to 22,496.84, 31,046.85 and 12,936.61

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Solution

The fourth proportional to 22,496.84, 31,046.85 and 12,936.61 is: 17,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,496.84 : 31,046.85 = 12,936.61 : x
  2. Step 2: Convert to fraction form
    22,496.84/31,046.85 = 12,936.61/x
  3. Step 3: Cross multiply
    22,496.84x = 31,046.85 × 12,936.61
  4. Step 4: Simplify right side
    22,496.84x = 401,640,990.18
  5. Step 5: Solve for x
    x = 401,640,990.18/22,496.84
  6. Step 6: Final answer
    x = 17,853.22

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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.