Home / 18,234.96-25,149.72-13,759.44

Finding the Fourth Proportional to 18,234.96, 25,149.72 and 13,759.44

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Solution

The fourth proportional to 18,234.96, 25,149.72 and 13,759.44 is: 18,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.96 : 25,149.72 = 13,759.44 : x
  2. Step 2: Convert to fraction form
    18,234.96/25,149.72 = 13,759.44/x
  3. Step 3: Cross multiply
    18,234.96x = 25,149.72 × 13,759.44
  4. Step 4: Simplify right side
    18,234.96x = 346,046,063.36
  5. Step 5: Solve for x
    x = 346,046,063.36/18,234.96
  6. Step 6: Final answer
    x = 18,977.07

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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.