Home / 13,350.28-20,025.37-5,451.11

Finding the Fourth Proportional to 13,350.28, 20,025.37 and 5,451.11

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Solution

The fourth proportional to 13,350.28, 20,025.37 and 5,451.11 is: 8,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.28 : 20,025.37 = 5,451.11 : x
  2. Step 2: Convert to fraction form
    13,350.28/20,025.37 = 5,451.11/x
  3. Step 3: Cross multiply
    13,350.28x = 20,025.37 × 5,451.11
  4. Step 4: Simplify right side
    13,350.28x = 109,160,467.41
  5. Step 5: Solve for x
    x = 109,160,467.41/13,350.28
  6. Step 6: Final answer
    x = 8,176.64

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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.