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Finding the Fourth Proportional to 14,858.44, 20,504.52 and 8,144.44

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Solution

The fourth proportional to 14,858.44, 20,504.52 and 8,144.44 is: 11,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.44 : 20,504.52 = 8,144.44 : x
  2. Step 2: Convert to fraction form
    14,858.44/20,504.52 = 8,144.44/x
  3. Step 3: Cross multiply
    14,858.44x = 20,504.52 × 8,144.44
  4. Step 4: Simplify right side
    14,858.44x = 166,997,832.87
  5. Step 5: Solve for x
    x = 166,997,832.87/14,858.44
  6. Step 6: Final answer
    x = 11,239.26

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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.