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Finding the Fourth Proportional to 17,896.38, 24,696.18 and 9,939.11

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Solution

The fourth proportional to 17,896.38, 24,696.18 and 9,939.11 is: 13,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.38 : 24,696.18 = 9,939.11 : x
  2. Step 2: Convert to fraction form
    17,896.38/24,696.18 = 9,939.11/x
  3. Step 3: Cross multiply
    17,896.38x = 24,696.18 × 9,939.11
  4. Step 4: Simplify right side
    17,896.38x = 245,458,049.60
  5. Step 5: Solve for x
    x = 245,458,049.60/17,896.38
  6. Step 6: Final answer
    x = 13,715.51

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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.