Home / 14,620.25-21,930.38-3,676.25

Finding the Fourth Proportional to 14,620.25, 21,930.38 and 3,676.25

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Solution

The fourth proportional to 14,620.25, 21,930.38 and 3,676.25 is: 5,514.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.25 : 21,930.38 = 3,676.25 : x
  2. Step 2: Convert to fraction form
    14,620.25/21,930.38 = 3,676.25/x
  3. Step 3: Cross multiply
    14,620.25x = 21,930.38 × 3,676.25
  4. Step 4: Simplify right side
    14,620.25x = 80,621,541.09
  5. Step 5: Solve for x
    x = 80,621,541.09/14,620.25
  6. Step 6: Final answer
    x = 5,514.38

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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.