Home / 20,174.20-27,833.22-12,629.95

Finding the Fourth Proportional to 20,174.20, 27,833.22 and 12,629.95

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Solution

The fourth proportional to 20,174.20, 27,833.22 and 12,629.95 is: 17,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.20 : 27,833.22 = 12,629.95 : x
  2. Step 2: Convert to fraction form
    20,174.20/27,833.22 = 12,629.95/x
  3. Step 3: Cross multiply
    20,174.20x = 27,833.22 × 12,629.95
  4. Step 4: Simplify right side
    20,174.20x = 351,532,176.94
  5. Step 5: Solve for x
    x = 351,532,176.94/20,174.20
  6. Step 6: Final answer
    x = 17,424.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.