Home / 20,757.24-28,645.62-11,806.03

Finding the Fourth Proportional to 20,757.24, 28,645.62 and 11,806.03

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Solution

The fourth proportional to 20,757.24, 28,645.62 and 11,806.03 is: 16,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757.24 : 28,645.62 = 11,806.03 : x
  2. Step 2: Convert to fraction form
    20,757.24/28,645.62 = 11,806.03/x
  3. Step 3: Cross multiply
    20,757.24x = 28,645.62 × 11,806.03
  4. Step 4: Simplify right side
    20,757.24x = 338,190,846.83
  5. Step 5: Solve for x
    x = 338,190,846.83/20,757.24
  6. Step 6: Final answer
    x = 16,292.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.