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Finding the Fourth Proportional to 18,103.53, 24,976.44 and 14,327.31

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Solution

The fourth proportional to 18,103.53, 24,976.44 and 14,327.31 is: 19,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.53 : 24,976.44 = 14,327.31 : x
  2. Step 2: Convert to fraction form
    18,103.53/24,976.44 = 14,327.31/x
  3. Step 3: Cross multiply
    18,103.53x = 24,976.44 × 14,327.31
  4. Step 4: Simplify right side
    18,103.53x = 357,845,198.58
  5. Step 5: Solve for x
    x = 357,845,198.58/18,103.53
  6. Step 6: Final answer
    x = 19,766.60

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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.