Home / 13,906.26-20,861.66-4,543.56

Finding the Fourth Proportional to 13,906.26, 20,861.66 and 4,543.56

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Solution

The fourth proportional to 13,906.26, 20,861.66 and 4,543.56 is: 6,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.26 : 20,861.66 = 4,543.56 : x
  2. Step 2: Convert to fraction form
    13,906.26/20,861.66 = 4,543.56/x
  3. Step 3: Cross multiply
    13,906.26x = 20,861.66 × 4,543.56
  4. Step 4: Simplify right side
    13,906.26x = 94,786,099.60
  5. Step 5: Solve for x
    x = 94,786,099.60/13,906.26
  6. Step 6: Final answer
    x = 6,816.08

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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.