Home / 23,029.79-34,563.17-11,939.67

Finding the Fourth Proportional to 23,029.79, 34,563.17 and 11,939.67

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Solution

The fourth proportional to 23,029.79, 34,563.17 and 11,939.67 is: 17,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,029.79 : 34,563.17 = 11,939.67 : x
  2. Step 2: Convert to fraction form
    23,029.79/34,563.17 = 11,939.67/x
  3. Step 3: Cross multiply
    23,029.79x = 34,563.17 × 11,939.67
  4. Step 4: Simplify right side
    23,029.79x = 412,672,873.80
  5. Step 5: Solve for x
    x = 412,672,873.80/23,029.79
  6. Step 6: Final answer
    x = 17,919.09

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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.