Home / 13,402.74-20,112.66-9,451.56

Finding the Fourth Proportional to 13,402.74, 20,112.66 and 9,451.56

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Solution

The fourth proportional to 13,402.74, 20,112.66 and 9,451.56 is: 14,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.74 : 20,112.66 = 9,451.56 : x
  2. Step 2: Convert to fraction form
    13,402.74/20,112.66 = 9,451.56/x
  3. Step 3: Cross multiply
    13,402.74x = 20,112.66 × 9,451.56
  4. Step 4: Simplify right side
    13,402.74x = 190,096,012.75
  5. Step 5: Solve for x
    x = 190,096,012.75/13,402.74
  6. Step 6: Final answer
    x = 14,183.37

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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.