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Finding the Fourth Proportional to 18,757.93, 25,895.34 and 14,499.37

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Solution

The fourth proportional to 18,757.93, 25,895.34 and 14,499.37 is: 20,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.93 : 25,895.34 = 14,499.37 : x
  2. Step 2: Convert to fraction form
    18,757.93/25,895.34 = 14,499.37/x
  3. Step 3: Cross multiply
    18,757.93x = 25,895.34 × 14,499.37
  4. Step 4: Simplify right side
    18,757.93x = 375,466,115.94
  5. Step 5: Solve for x
    x = 375,466,115.94/18,757.93
  6. Step 6: Final answer
    x = 20,016.39

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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.