Home / 20,608.58-30,884.62-13,577.98

Finding the Fourth Proportional to 20,608.58, 30,884.62 and 13,577.98

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Solution

The fourth proportional to 20,608.58, 30,884.62 and 13,577.98 is: 20,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.58 : 30,884.62 = 13,577.98 : x
  2. Step 2: Convert to fraction form
    20,608.58/30,884.62 = 13,577.98/x
  3. Step 3: Cross multiply
    20,608.58x = 30,884.62 × 13,577.98
  4. Step 4: Simplify right side
    20,608.58x = 419,350,752.67
  5. Step 5: Solve for x
    x = 419,350,752.67/20,608.58
  6. Step 6: Final answer
    x = 20,348.36

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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.