Home / 25,090.40-37,635.62-8,449.04

Finding the Fourth Proportional to 25,090.40, 37,635.62 and 8,449.04

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Solution

The fourth proportional to 25,090.40, 37,635.62 and 8,449.04 is: 12,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.40 : 37,635.62 = 8,449.04 : x
  2. Step 2: Convert to fraction form
    25,090.40/37,635.62 = 8,449.04/x
  3. Step 3: Cross multiply
    25,090.40x = 37,635.62 × 8,449.04
  4. Step 4: Simplify right side
    25,090.40x = 317,984,755.66
  5. Step 5: Solve for x
    x = 317,984,755.66/25,090.40
  6. Step 6: Final answer
    x = 12,673.56

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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.