Home / 15,997.38-22,076.46-8,923.79

Finding the Fourth Proportional to 15,997.38, 22,076.46 and 8,923.79

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Solution

The fourth proportional to 15,997.38, 22,076.46 and 8,923.79 is: 12,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.38 : 22,076.46 = 8,923.79 : x
  2. Step 2: Convert to fraction form
    15,997.38/22,076.46 = 8,923.79/x
  3. Step 3: Cross multiply
    15,997.38x = 22,076.46 × 8,923.79
  4. Step 4: Simplify right side
    15,997.38x = 197,005,582.60
  5. Step 5: Solve for x
    x = 197,005,582.60/15,997.38
  6. Step 6: Final answer
    x = 12,314.87

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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.