Home / 19,799.94-29,696.19-9,936.57

Finding the Fourth Proportional to 19,799.94, 29,696.19 and 9,936.57

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Solution

The fourth proportional to 19,799.94, 29,696.19 and 9,936.57 is: 14,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.94 : 29,696.19 = 9,936.57 : x
  2. Step 2: Convert to fraction form
    19,799.94/29,696.19 = 9,936.57/x
  3. Step 3: Cross multiply
    19,799.94x = 29,696.19 × 9,936.57
  4. Step 4: Simplify right side
    19,799.94x = 295,078,270.67
  5. Step 5: Solve for x
    x = 295,078,270.67/19,799.94
  6. Step 6: Final answer
    x = 14,902.99

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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.