Home / 20,062.42-27,686.22-11,109.73

Finding the Fourth Proportional to 20,062.42, 27,686.22 and 11,109.73

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Solution

The fourth proportional to 20,062.42, 27,686.22 and 11,109.73 is: 15,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.42 : 27,686.22 = 11,109.73 : x
  2. Step 2: Convert to fraction form
    20,062.42/27,686.22 = 11,109.73/x
  3. Step 3: Cross multiply
    20,062.42x = 27,686.22 × 11,109.73
  4. Step 4: Simplify right side
    20,062.42x = 307,586,533.75
  5. Step 5: Solve for x
    x = 307,586,533.75/20,062.42
  6. Step 6: Final answer
    x = 15,331.48

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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.