Home / 25,090.44-37,635.84-20,404.98

Finding the Fourth Proportional to 25,090.44, 37,635.84 and 20,404.98

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Solution

The fourth proportional to 25,090.44, 37,635.84 and 20,404.98 is: 30,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.44 : 37,635.84 = 20,404.98 : x
  2. Step 2: Convert to fraction form
    25,090.44/37,635.84 = 20,404.98/x
  3. Step 3: Cross multiply
    25,090.44x = 37,635.84 × 20,404.98
  4. Step 4: Simplify right side
    25,090.44x = 767,958,562.48
  5. Step 5: Solve for x
    x = 767,958,562.48/25,090.44
  6. Step 6: Final answer
    x = 30,607.62

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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.