Home / 14,481.72-21,708.68-4,615.56

Finding the Fourth Proportional to 14,481.72, 21,708.68 and 4,615.56

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Solution

The fourth proportional to 14,481.72, 21,708.68 and 4,615.56 is: 6,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.72 : 21,708.68 = 4,615.56 : x
  2. Step 2: Convert to fraction form
    14,481.72/21,708.68 = 4,615.56/x
  3. Step 3: Cross multiply
    14,481.72x = 21,708.68 × 4,615.56
  4. Step 4: Simplify right side
    14,481.72x = 100,197,715.06
  5. Step 5: Solve for x
    x = 100,197,715.06/14,481.72
  6. Step 6: Final answer
    x = 6,918.91

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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.