Home / 13,797.87-20,682.42-6,396.23

Finding the Fourth Proportional to 13,797.87, 20,682.42 and 6,396.23

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Solution

The fourth proportional to 13,797.87, 20,682.42 and 6,396.23 is: 9,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.87 : 20,682.42 = 6,396.23 : x
  2. Step 2: Convert to fraction form
    13,797.87/20,682.42 = 6,396.23/x
  3. Step 3: Cross multiply
    13,797.87x = 20,682.42 × 6,396.23
  4. Step 4: Simplify right side
    13,797.87x = 132,289,411.86
  5. Step 5: Solve for x
    x = 132,289,411.86/13,797.87
  6. Step 6: Final answer
    x = 9,587.67

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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.