Home / 20,182.48-30,273.90-16,658.71

Finding the Fourth Proportional to 20,182.48, 30,273.90 and 16,658.71

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Solution

The fourth proportional to 20,182.48, 30,273.90 and 16,658.71 is: 24,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.48 : 30,273.90 = 16,658.71 : x
  2. Step 2: Convert to fraction form
    20,182.48/30,273.90 = 16,658.71/x
  3. Step 3: Cross multiply
    20,182.48x = 30,273.90 × 16,658.71
  4. Step 4: Simplify right side
    20,182.48x = 504,324,120.67
  5. Step 5: Solve for x
    x = 504,324,120.67/20,182.48
  6. Step 6: Final answer
    x = 24,988.21

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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.