Home / 20,182.30-27,852.24-11,108.02

Finding the Fourth Proportional to 20,182.30, 27,852.24 and 11,108.02

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Solution

The fourth proportional to 20,182.30, 27,852.24 and 11,108.02 is: 15,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.30 : 27,852.24 = 11,108.02 : x
  2. Step 2: Convert to fraction form
    20,182.30/27,852.24 = 11,108.02/x
  3. Step 3: Cross multiply
    20,182.30x = 27,852.24 × 11,108.02
  4. Step 4: Simplify right side
    20,182.30x = 309,383,238.96
  5. Step 5: Solve for x
    x = 309,383,238.96/20,182.30
  6. Step 6: Final answer
    x = 15,329.43

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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.