Home / 14,680.52-22,021.20-5,321.40

Finding the Fourth Proportional to 14,680.52, 22,021.20 and 5,321.40

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Solution

The fourth proportional to 14,680.52, 22,021.20 and 5,321.40 is: 7,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.52 : 22,021.20 = 5,321.40 : x
  2. Step 2: Convert to fraction form
    14,680.52/22,021.20 = 5,321.40/x
  3. Step 3: Cross multiply
    14,680.52x = 22,021.20 × 5,321.40
  4. Step 4: Simplify right side
    14,680.52x = 117,183,613.68
  5. Step 5: Solve for x
    x = 117,183,613.68/14,680.52
  6. Step 6: Final answer
    x = 7,982.25

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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.