Home / 13,576.21-20,366.22-4,216.92

Finding the Fourth Proportional to 13,576.21, 20,366.22 and 4,216.92

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Solution

The fourth proportional to 13,576.21, 20,366.22 and 4,216.92 is: 6,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.21 : 20,366.22 = 4,216.92 : x
  2. Step 2: Convert to fraction form
    13,576.21/20,366.22 = 4,216.92/x
  3. Step 3: Cross multiply
    13,576.21x = 20,366.22 × 4,216.92
  4. Step 4: Simplify right side
    13,576.21x = 85,882,720.44
  5. Step 5: Solve for x
    x = 85,882,720.44/13,576.21
  6. Step 6: Final answer
    x = 6,325.97

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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.