Home / 14,330.56-21,481.26-13,269.87

Finding the Fourth Proportional to 14,330.56, 21,481.26 and 13,269.87

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Solution

The fourth proportional to 14,330.56, 21,481.26 and 13,269.87 is: 19,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.56 : 21,481.26 = 13,269.87 : x
  2. Step 2: Convert to fraction form
    14,330.56/21,481.26 = 13,269.87/x
  3. Step 3: Cross multiply
    14,330.56x = 21,481.26 × 13,269.87
  4. Step 4: Simplify right side
    14,330.56x = 285,053,527.64
  5. Step 5: Solve for x
    x = 285,053,527.64/14,330.56
  6. Step 6: Final answer
    x = 19,891.30

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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.