Home / 14,313.62-21,476.61-7,744.43

Finding the Fourth Proportional to 14,313.62, 21,476.61 and 7,744.43

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Solution

The fourth proportional to 14,313.62, 21,476.61 and 7,744.43 is: 11,619.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.62 : 21,476.61 = 7,744.43 : x
  2. Step 2: Convert to fraction form
    14,313.62/21,476.61 = 7,744.43/x
  3. Step 3: Cross multiply
    14,313.62x = 21,476.61 × 7,744.43
  4. Step 4: Simplify right side
    14,313.62x = 166,324,102.78
  5. Step 5: Solve for x
    x = 166,324,102.78/14,313.62
  6. Step 6: Final answer
    x = 11,619.99

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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.