Home / 15,234.82-22,786.62-13,558.12

Finding the Fourth Proportional to 15,234.82, 22,786.62 and 13,558.12

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Solution

The fourth proportional to 15,234.82, 22,786.62 and 13,558.12 is: 20,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234.82 : 22,786.62 = 13,558.12 : x
  2. Step 2: Convert to fraction form
    15,234.82/22,786.62 = 13,558.12/x
  3. Step 3: Cross multiply
    15,234.82x = 22,786.62 × 13,558.12
  4. Step 4: Simplify right side
    15,234.82x = 308,943,620.54
  5. Step 5: Solve for x
    x = 308,943,620.54/15,234.82
  6. Step 6: Final answer
    x = 20,278.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.