Home / 14,608.87-20,169.48-11,245.36

Finding the Fourth Proportional to 14,608.87, 20,169.48 and 11,245.36

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Solution

The fourth proportional to 14,608.87, 20,169.48 and 11,245.36 is: 15,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.87 : 20,169.48 = 11,245.36 : x
  2. Step 2: Convert to fraction form
    14,608.87/20,169.48 = 11,245.36/x
  3. Step 3: Cross multiply
    14,608.87x = 20,169.48 × 11,245.36
  4. Step 4: Simplify right side
    14,608.87x = 226,813,063.61
  5. Step 5: Solve for x
    x = 226,813,063.61/14,608.87
  6. Step 6: Final answer
    x = 15,525.71

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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.