Home / 13,571.26-20,350.20-6,453.52

Finding the Fourth Proportional to 13,571.26, 20,350.20 and 6,453.52

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Solution

The fourth proportional to 13,571.26, 20,350.20 and 6,453.52 is: 9,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.26 : 20,350.20 = 6,453.52 : x
  2. Step 2: Convert to fraction form
    13,571.26/20,350.20 = 6,453.52/x
  3. Step 3: Cross multiply
    13,571.26x = 20,350.20 × 6,453.52
  4. Step 4: Simplify right side
    13,571.26x = 131,330,422.70
  5. Step 5: Solve for x
    x = 131,330,422.70/13,571.26
  6. Step 6: Final answer
    x = 9,677.10

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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.