Home / 13,543.44-20,316.60-3,682.88

Finding the Fourth Proportional to 13,543.44, 20,316.60 and 3,682.88

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Solution

The fourth proportional to 13,543.44, 20,316.60 and 3,682.88 is: 5,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.44 : 20,316.60 = 3,682.88 : x
  2. Step 2: Convert to fraction form
    13,543.44/20,316.60 = 3,682.88/x
  3. Step 3: Cross multiply
    13,543.44x = 20,316.60 × 3,682.88
  4. Step 4: Simplify right side
    13,543.44x = 74,823,599.81
  5. Step 5: Solve for x
    x = 74,823,599.81/13,543.44
  6. Step 6: Final answer
    x = 5,524.71

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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.