Home / 12,351.82-18,525.24-4,558.78

Finding the Fourth Proportional to 12,351.82, 18,525.24 and 4,558.78

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Solution

The fourth proportional to 12,351.82, 18,525.24 and 4,558.78 is: 6,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.82 : 18,525.24 = 4,558.78 : x
  2. Step 2: Convert to fraction form
    12,351.82/18,525.24 = 4,558.78/x
  3. Step 3: Cross multiply
    12,351.82x = 18,525.24 × 4,558.78
  4. Step 4: Simplify right side
    12,351.82x = 84,452,493.61
  5. Step 5: Solve for x
    x = 84,452,493.61/12,351.82
  6. Step 6: Final answer
    x = 6,837.25

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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.