Home / 13,654.98-20,463.21-10,869.27

Finding the Fourth Proportional to 13,654.98, 20,463.21 and 10,869.27

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Solution

The fourth proportional to 13,654.98, 20,463.21 and 10,869.27 is: 16,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.98 : 20,463.21 = 10,869.27 : x
  2. Step 2: Convert to fraction form
    13,654.98/20,463.21 = 10,869.27/x
  3. Step 3: Cross multiply
    13,654.98x = 20,463.21 × 10,869.27
  4. Step 4: Simplify right side
    13,654.98x = 222,420,154.56
  5. Step 5: Solve for x
    x = 222,420,154.56/13,654.98
  6. Step 6: Final answer
    x = 16,288.57

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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.