Home / 20,170.52-27,833.19-11,216.58

Finding the Fourth Proportional to 20,170.52, 27,833.19 and 11,216.58

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Solution

The fourth proportional to 20,170.52, 27,833.19 and 11,216.58 is: 15,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.52 : 27,833.19 = 11,216.58 : x
  2. Step 2: Convert to fraction form
    20,170.52/27,833.19 = 11,216.58/x
  3. Step 3: Cross multiply
    20,170.52x = 27,833.19 × 11,216.58
  4. Step 4: Simplify right side
    20,170.52x = 312,193,202.29
  5. Step 5: Solve for x
    x = 312,193,202.29/20,170.52
  6. Step 6: Final answer
    x = 15,477.70

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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.