Home / 12,823.31-19,234.97-3,589.31

Finding the Fourth Proportional to 12,823.31, 19,234.97 and 3,589.31

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Solution

The fourth proportional to 12,823.31, 19,234.97 and 3,589.31 is: 5,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.31 : 19,234.97 = 3,589.31 : x
  2. Step 2: Convert to fraction form
    12,823.31/19,234.97 = 3,589.31/x
  3. Step 3: Cross multiply
    12,823.31x = 19,234.97 × 3,589.31
  4. Step 4: Simplify right side
    12,823.31x = 69,040,313.77
  5. Step 5: Solve for x
    x = 69,040,313.77/12,823.31
  6. Step 6: Final answer
    x = 5,383.97

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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.