Home / 15,983.54-23,982.22-8,579.34

Finding the Fourth Proportional to 15,983.54, 23,982.22 and 8,579.34

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Solution

The fourth proportional to 15,983.54, 23,982.22 and 8,579.34 is: 12,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.54 : 23,982.22 = 8,579.34 : x
  2. Step 2: Convert to fraction form
    15,983.54/23,982.22 = 8,579.34/x
  3. Step 3: Cross multiply
    15,983.54x = 23,982.22 × 8,579.34
  4. Step 4: Simplify right side
    15,983.54x = 205,751,719.99
  5. Step 5: Solve for x
    x = 205,751,719.99/15,983.54
  6. Step 6: Final answer
    x = 12,872.72

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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.