Home / 22,406.66-30,917.57-12,844.79

Finding the Fourth Proportional to 22,406.66, 30,917.57 and 12,844.79

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Solution

The fourth proportional to 22,406.66, 30,917.57 and 12,844.79 is: 17,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,406.66 : 30,917.57 = 12,844.79 : x
  2. Step 2: Convert to fraction form
    22,406.66/30,917.57 = 12,844.79/x
  3. Step 3: Cross multiply
    22,406.66x = 30,917.57 × 12,844.79
  4. Step 4: Simplify right side
    22,406.66x = 397,129,475.15
  5. Step 5: Solve for x
    x = 397,129,475.15/22,406.66
  6. Step 6: Final answer
    x = 17,723.73

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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.