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Finding the Fourth Proportional to 18,773.03, 25,913.25 and 10,818.42

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Solution

The fourth proportional to 18,773.03, 25,913.25 and 10,818.42 is: 14,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.03 : 25,913.25 = 10,818.42 : x
  2. Step 2: Convert to fraction form
    18,773.03/25,913.25 = 10,818.42/x
  3. Step 3: Cross multiply
    18,773.03x = 25,913.25 × 10,818.42
  4. Step 4: Simplify right side
    18,773.03x = 280,340,422.07
  5. Step 5: Solve for x
    x = 280,340,422.07/18,773.03
  6. Step 6: Final answer
    x = 14,933.15

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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.