Home / 13,676.43-20,500.98-11,794.70

Finding the Fourth Proportional to 13,676.43, 20,500.98 and 11,794.70

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Solution

The fourth proportional to 13,676.43, 20,500.98 and 11,794.70 is: 17,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.43 : 20,500.98 = 11,794.70 : x
  2. Step 2: Convert to fraction form
    13,676.43/20,500.98 = 11,794.70/x
  3. Step 3: Cross multiply
    13,676.43x = 20,500.98 × 11,794.70
  4. Step 4: Simplify right side
    13,676.43x = 241,802,908.81
  5. Step 5: Solve for x
    x = 241,802,908.81/13,676.43
  6. Step 6: Final answer
    x = 17,680.27

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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.