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Finding the Fourth Proportional to 14,208.54, 19,611.90 and 8,241.54

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Solution

The fourth proportional to 14,208.54, 19,611.90 and 8,241.54 is: 11,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.54 : 19,611.90 = 8,241.54 : x
  2. Step 2: Convert to fraction form
    14,208.54/19,611.90 = 8,241.54/x
  3. Step 3: Cross multiply
    14,208.54x = 19,611.90 × 8,241.54
  4. Step 4: Simplify right side
    14,208.54x = 161,632,258.33
  5. Step 5: Solve for x
    x = 161,632,258.33/14,208.54
  6. Step 6: Final answer
    x = 11,375.71

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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.