Home / 16,180.48-22,321.60-11,697.12

Finding the Fourth Proportional to 16,180.48, 22,321.60 and 11,697.12

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Solution

The fourth proportional to 16,180.48, 22,321.60 and 11,697.12 is: 16,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,180.48 : 22,321.60 = 11,697.12 : x
  2. Step 2: Convert to fraction form
    16,180.48/22,321.60 = 11,697.12/x
  3. Step 3: Cross multiply
    16,180.48x = 22,321.60 × 11,697.12
  4. Step 4: Simplify right side
    16,180.48x = 261,098,433.79
  5. Step 5: Solve for x
    x = 261,098,433.79/16,180.48
  6. Step 6: Final answer
    x = 16,136.63

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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.