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Finding the Fourth Proportional to 18,797.26, 25,934.34 and 10,838.42

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Solution

The fourth proportional to 18,797.26, 25,934.34 and 10,838.42 is: 14,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.26 : 25,934.34 = 10,838.42 : x
  2. Step 2: Convert to fraction form
    18,797.26/25,934.34 = 10,838.42/x
  3. Step 3: Cross multiply
    18,797.26x = 25,934.34 × 10,838.42
  4. Step 4: Simplify right side
    18,797.26x = 281,087,269.34
  5. Step 5: Solve for x
    x = 281,087,269.34/18,797.26
  6. Step 6: Final answer
    x = 14,953.63

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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.