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Finding the Fourth Proportional to 18,694, 25,798.26 and 10,311.04

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Solution

The fourth proportional to 18,694, 25,798.26 and 10,311.04 is: 14,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694 : 25,798.26 = 10,311.04 : x
  2. Step 2: Convert to fraction form
    18,694/25,798.26 = 10,311.04/x
  3. Step 3: Cross multiply
    18,694x = 25,798.26 × 10,311.04
  4. Step 4: Simplify right side
    18,694x = 266,006,890.79
  5. Step 5: Solve for x
    x = 266,006,890.79/18,694
  6. Step 6: Final answer
    x = 14,229.53

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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.