Home / 13,906.23-20,861.61-4,543.53

Finding the Fourth Proportional to 13,906.23, 20,861.61 and 4,543.53

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Solution

The fourth proportional to 13,906.23, 20,861.61 and 4,543.53 is: 6,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.23 : 20,861.61 = 4,543.53 : x
  2. Step 2: Convert to fraction form
    13,906.23/20,861.61 = 4,543.53/x
  3. Step 3: Cross multiply
    13,906.23x = 20,861.61 × 4,543.53
  4. Step 4: Simplify right side
    13,906.23x = 94,785,350.88
  5. Step 5: Solve for x
    x = 94,785,350.88/13,906.23
  6. Step 6: Final answer
    x = 6,816.04

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1.5x scale

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.