Home / 13,523.46-20,288.82-4,163.70

Finding the Fourth Proportional to 13,523.46, 20,288.82 and 4,163.70

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Solution

The fourth proportional to 13,523.46, 20,288.82 and 4,163.70 is: 6,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.46 : 20,288.82 = 4,163.70 : x
  2. Step 2: Convert to fraction form
    13,523.46/20,288.82 = 4,163.70/x
  3. Step 3: Cross multiply
    13,523.46x = 20,288.82 × 4,163.70
  4. Step 4: Simplify right side
    13,523.46x = 84,476,559.83
  5. Step 5: Solve for x
    x = 84,476,559.83/13,523.46
  6. Step 6: Final answer
    x = 6,246.67

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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.