Home / 25,324.20-37,997.10-12,169.80

Finding the Fourth Proportional to 25,324.20, 37,997.10 and 12,169.80

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Solution

The fourth proportional to 25,324.20, 37,997.10 and 12,169.80 is: 18,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,324.20 : 37,997.10 = 12,169.80 : x
  2. Step 2: Convert to fraction form
    25,324.20/37,997.10 = 12,169.80/x
  3. Step 3: Cross multiply
    25,324.20x = 37,997.10 × 12,169.80
  4. Step 4: Simplify right side
    25,324.20x = 462,417,107.58
  5. Step 5: Solve for x
    x = 462,417,107.58/25,324.20
  6. Step 6: Final answer
    x = 18,259.89

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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.