Home / 12,983.25-19,474.89-3,623.31

Finding the Fourth Proportional to 12,983.25, 19,474.89 and 3,623.31

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Solution

The fourth proportional to 12,983.25, 19,474.89 and 3,623.31 is: 5,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.25 : 19,474.89 = 3,623.31 : x
  2. Step 2: Convert to fraction form
    12,983.25/19,474.89 = 3,623.31/x
  3. Step 3: Cross multiply
    12,983.25x = 19,474.89 × 3,623.31
  4. Step 4: Simplify right side
    12,983.25x = 70,563,563.69
  5. Step 5: Solve for x
    x = 70,563,563.69/12,983.25
  6. Step 6: Final answer
    x = 5,434.97

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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.