Home / 14,344.40-21,518.76-4,481.54

Finding the Fourth Proportional to 14,344.40, 21,518.76 and 4,481.54

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Solution

The fourth proportional to 14,344.40, 21,518.76 and 4,481.54 is: 6,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.40 : 21,518.76 = 4,481.54 : x
  2. Step 2: Convert to fraction form
    14,344.40/21,518.76 = 4,481.54/x
  3. Step 3: Cross multiply
    14,344.40x = 21,518.76 × 4,481.54
  4. Step 4: Simplify right side
    14,344.40x = 96,437,183.69
  5. Step 5: Solve for x
    x = 96,437,183.69/14,344.40
  6. Step 6: Final answer
    x = 6,722.98

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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.