Home / 13,451.50-20,206.44-11,375.67

Finding the Fourth Proportional to 13,451.50, 20,206.44 and 11,375.67

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Solution

The fourth proportional to 13,451.50, 20,206.44 and 11,375.67 is: 17,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.50 : 20,206.44 = 11,375.67 : x
  2. Step 2: Convert to fraction form
    13,451.50/20,206.44 = 11,375.67/x
  3. Step 3: Cross multiply
    13,451.50x = 20,206.44 × 11,375.67
  4. Step 4: Simplify right side
    13,451.50x = 229,861,793.31
  5. Step 5: Solve for x
    x = 229,861,793.31/13,451.50
  6. Step 6: Final answer
    x = 17,088.19

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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.