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Finding the Fourth Proportional to 18,982.53, 26,196.03 and 10,484.42

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Solution

The fourth proportional to 18,982.53, 26,196.03 and 10,484.42 is: 14,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.53 : 26,196.03 = 10,484.42 : x
  2. Step 2: Convert to fraction form
    18,982.53/26,196.03 = 10,484.42/x
  3. Step 3: Cross multiply
    18,982.53x = 26,196.03 × 10,484.42
  4. Step 4: Simplify right side
    18,982.53x = 274,650,049.87
  5. Step 5: Solve for x
    x = 274,650,049.87/18,982.53
  6. Step 6: Final answer
    x = 14,468.57

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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.