Home / 12,942.99-19,414.51-3,583.03

Finding the Fourth Proportional to 12,942.99, 19,414.51 and 3,583.03

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Solution

The fourth proportional to 12,942.99, 19,414.51 and 3,583.03 is: 5,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.99 : 19,414.51 = 3,583.03 : x
  2. Step 2: Convert to fraction form
    12,942.99/19,414.51 = 3,583.03/x
  3. Step 3: Cross multiply
    12,942.99x = 19,414.51 × 3,583.03
  4. Step 4: Simplify right side
    12,942.99x = 69,562,753.85
  5. Step 5: Solve for x
    x = 69,562,753.85/12,942.99
  6. Step 6: Final answer
    x = 5,374.55

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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.