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Finding the Fourth Proportional to 19,696.29, 27,194.58 and 15,936.14

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Solution

The fourth proportional to 19,696.29, 27,194.58 and 15,936.14 is: 22,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.29 : 27,194.58 = 15,936.14 : x
  2. Step 2: Convert to fraction form
    19,696.29/27,194.58 = 15,936.14/x
  3. Step 3: Cross multiply
    19,696.29x = 27,194.58 × 15,936.14
  4. Step 4: Simplify right side
    19,696.29x = 433,376,498.15
  5. Step 5: Solve for x
    x = 433,376,498.15/19,696.29
  6. Step 6: Final answer
    x = 22,002.95

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1.5x scale

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.