Home / 20,183.96-27,853.43-11,686.46

Finding the Fourth Proportional to 20,183.96, 27,853.43 and 11,686.46

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Solution

The fourth proportional to 20,183.96, 27,853.43 and 11,686.46 is: 16,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.96 : 27,853.43 = 11,686.46 : x
  2. Step 2: Convert to fraction form
    20,183.96/27,853.43 = 11,686.46/x
  3. Step 3: Cross multiply
    20,183.96x = 27,853.43 × 11,686.46
  4. Step 4: Simplify right side
    20,183.96x = 325,507,797.86
  5. Step 5: Solve for x
    x = 325,507,797.86/20,183.96
  6. Step 6: Final answer
    x = 16,127.05

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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.