Home / 13,360.38-20,043.99-4,000.36

Finding the Fourth Proportional to 13,360.38, 20,043.99 and 4,000.36

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Solution

The fourth proportional to 13,360.38, 20,043.99 and 4,000.36 is: 6,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.38 : 20,043.99 = 4,000.36 : x
  2. Step 2: Convert to fraction form
    13,360.38/20,043.99 = 4,000.36/x
  3. Step 3: Cross multiply
    13,360.38x = 20,043.99 × 4,000.36
  4. Step 4: Simplify right side
    13,360.38x = 80,183,175.84
  5. Step 5: Solve for x
    x = 80,183,175.84/13,360.38
  6. Step 6: Final answer
    x = 6,001.56

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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.