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Finding the Fourth Proportional to 19,351, 26,704.38 and 10,968.04

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Solution

The fourth proportional to 19,351, 26,704.38 and 10,968.04 is: 15,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351 : 26,704.38 = 10,968.04 : x
  2. Step 2: Convert to fraction form
    19,351/26,704.38 = 10,968.04/x
  3. Step 3: Cross multiply
    19,351x = 26,704.38 × 10,968.04
  4. Step 4: Simplify right side
    19,351x = 292,894,708.02
  5. Step 5: Solve for x
    x = 292,894,708.02/19,351
  6. Step 6: Final answer
    x = 15,135.90

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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.