Home / 20,254.26-27,950.83-11,301.67

Finding the Fourth Proportional to 20,254.26, 27,950.83 and 11,301.67

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Solution

The fourth proportional to 20,254.26, 27,950.83 and 11,301.67 is: 15,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.26 : 27,950.83 = 11,301.67 : x
  2. Step 2: Convert to fraction form
    20,254.26/27,950.83 = 11,301.67/x
  3. Step 3: Cross multiply
    20,254.26x = 27,950.83 × 11,301.67
  4. Step 4: Simplify right side
    20,254.26x = 315,890,958.75
  5. Step 5: Solve for x
    x = 315,890,958.75/20,254.26
  6. Step 6: Final answer
    x = 15,596.27

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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.