Home / 25,218.54-37,821.74-11,170.80

Finding the Fourth Proportional to 25,218.54, 37,821.74 and 11,170.80

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Solution

The fourth proportional to 25,218.54, 37,821.74 and 11,170.80 is: 16,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.54 : 37,821.74 = 11,170.80 : x
  2. Step 2: Convert to fraction form
    25,218.54/37,821.74 = 11,170.80/x
  3. Step 3: Cross multiply
    25,218.54x = 37,821.74 × 11,170.80
  4. Step 4: Simplify right side
    25,218.54x = 422,499,037.34
  5. Step 5: Solve for x
    x = 422,499,037.34/25,218.54
  6. Step 6: Final answer
    x = 16,753.51

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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.