Home / 20,196.24-27,871.17-11,122.02

Finding the Fourth Proportional to 20,196.24, 27,871.17 and 11,122.02

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Solution

The fourth proportional to 20,196.24, 27,871.17 and 11,122.02 is: 15,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.24 : 27,871.17 = 11,122.02 : x
  2. Step 2: Convert to fraction form
    20,196.24/27,871.17 = 11,122.02/x
  3. Step 3: Cross multiply
    20,196.24x = 27,871.17 × 11,122.02
  4. Step 4: Simplify right side
    20,196.24x = 309,983,710.16
  5. Step 5: Solve for x
    x = 309,983,710.16/20,196.24
  6. Step 6: Final answer
    x = 15,348.59

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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.