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Finding the Fourth Proportional to 18,794.58, 25,926.93 and 11,718.42

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Solution

The fourth proportional to 18,794.58, 25,926.93 and 11,718.42 is: 16,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.58 : 25,926.93 = 11,718.42 : x
  2. Step 2: Convert to fraction form
    18,794.58/25,926.93 = 11,718.42/x
  3. Step 3: Cross multiply
    18,794.58x = 25,926.93 × 11,718.42
  4. Step 4: Simplify right side
    18,794.58x = 303,822,655.05
  5. Step 5: Solve for x
    x = 303,822,655.05/18,794.58
  6. Step 6: Final answer
    x = 16,165.44

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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.