Home / 13,496.18-20,245.96-7,247.60

Finding the Fourth Proportional to 13,496.18, 20,245.96 and 7,247.60

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Solution

The fourth proportional to 13,496.18, 20,245.96 and 7,247.60 is: 10,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.18 : 20,245.96 = 7,247.60 : x
  2. Step 2: Convert to fraction form
    13,496.18/20,245.96 = 7,247.60/x
  3. Step 3: Cross multiply
    13,496.18x = 20,245.96 × 7,247.60
  4. Step 4: Simplify right side
    13,496.18x = 146,734,619.70
  5. Step 5: Solve for x
    x = 146,734,619.70/13,496.18
  6. Step 6: Final answer
    x = 10,872.31

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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.