Home / 16,840.20-25,289.10-16,321.80

Finding the Fourth Proportional to 16,840.20, 25,289.10 and 16,321.80

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Solution

The fourth proportional to 16,840.20, 25,289.10 and 16,321.80 is: 24,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.20 : 25,289.10 = 16,321.80 : x
  2. Step 2: Convert to fraction form
    16,840.20/25,289.10 = 16,321.80/x
  3. Step 3: Cross multiply
    16,840.20x = 25,289.10 × 16,321.80
  4. Step 4: Simplify right side
    16,840.20x = 412,763,632.38
  5. Step 5: Solve for x
    x = 412,763,632.38/16,840.20
  6. Step 6: Final answer
    x = 24,510.61

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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.