Home / 16,193.86-22,201.87-15,898.66

Finding the Fourth Proportional to 16,193.86, 22,201.87 and 15,898.66

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Solution

The fourth proportional to 16,193.86, 22,201.87 and 15,898.66 is: 21,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,193.86 : 22,201.87 = 15,898.66 : x
  2. Step 2: Convert to fraction form
    16,193.86/22,201.87 = 15,898.66/x
  3. Step 3: Cross multiply
    16,193.86x = 22,201.87 × 15,898.66
  4. Step 4: Simplify right side
    16,193.86x = 352,979,982.49
  5. Step 5: Solve for x
    x = 352,979,982.49/16,193.86
  6. Step 6: Final answer
    x = 21,797.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.