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Finding the Fourth Proportional to 14,229.38, 19,625.44 and 9,125.38

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Solution

The fourth proportional to 14,229.38, 19,625.44 and 9,125.38 is: 12,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.38 : 19,625.44 = 9,125.38 : x
  2. Step 2: Convert to fraction form
    14,229.38/19,625.44 = 9,125.38/x
  3. Step 3: Cross multiply
    14,229.38x = 19,625.44 × 9,125.38
  4. Step 4: Simplify right side
    14,229.38x = 179,089,597.67
  5. Step 5: Solve for x
    x = 179,089,597.67/14,229.38
  6. Step 6: Final answer
    x = 12,585.90

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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.