Home / 16,191.36-22,198.44-15,896.16

Finding the Fourth Proportional to 16,191.36, 22,198.44 and 15,896.16

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Solution

The fourth proportional to 16,191.36, 22,198.44 and 15,896.16 is: 21,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.36 : 22,198.44 = 15,896.16 : x
  2. Step 2: Convert to fraction form
    16,191.36/22,198.44 = 15,896.16/x
  3. Step 3: Cross multiply
    16,191.36x = 22,198.44 × 15,896.16
  4. Step 4: Simplify right side
    16,191.36x = 352,869,953.99
  5. Step 5: Solve for x
    x = 352,869,953.99/16,191.36
  6. Step 6: Final answer
    x = 21,793.72

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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.