Home / 13,651.20-20,463.14-5,755.62

Finding the Fourth Proportional to 13,651.20, 20,463.14 and 5,755.62

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Solution

The fourth proportional to 13,651.20, 20,463.14 and 5,755.62 is: 8,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651.20 : 20,463.14 = 5,755.62 : x
  2. Step 2: Convert to fraction form
    13,651.20/20,463.14 = 5,755.62/x
  3. Step 3: Cross multiply
    13,651.20x = 20,463.14 × 5,755.62
  4. Step 4: Simplify right side
    13,651.20x = 117,777,992.30
  5. Step 5: Solve for x
    x = 117,777,992.30/13,651.20
  6. Step 6: Final answer
    x = 8,627.67

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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.