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Finding the Fourth Proportional to 18,396.01, 25,399.41 and 14,367.38

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Solution

The fourth proportional to 18,396.01, 25,399.41 and 14,367.38 is: 19,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.01 : 25,399.41 = 14,367.38 : x
  2. Step 2: Convert to fraction form
    18,396.01/25,399.41 = 14,367.38/x
  3. Step 3: Cross multiply
    18,396.01x = 25,399.41 × 14,367.38
  4. Step 4: Simplify right side
    18,396.01x = 364,922,975.25
  5. Step 5: Solve for x
    x = 364,922,975.25/18,396.01
  6. Step 6: Final answer
    x = 19,837.07

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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.