Home / 13,343.67-20,016.90-4,579.29

Finding the Fourth Proportional to 13,343.67, 20,016.90 and 4,579.29

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Solution

The fourth proportional to 13,343.67, 20,016.90 and 4,579.29 is: 6,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.67 : 20,016.90 = 4,579.29 : x
  2. Step 2: Convert to fraction form
    13,343.67/20,016.90 = 4,579.29/x
  3. Step 3: Cross multiply
    13,343.67x = 20,016.90 × 4,579.29
  4. Step 4: Simplify right side
    13,343.67x = 91,663,190.00
  5. Step 5: Solve for x
    x = 91,663,190.00/13,343.67
  6. Step 6: Final answer
    x = 6,869.41

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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.