Home / 16,072.70-22,179.02-8,997.75

Finding the Fourth Proportional to 16,072.70, 22,179.02 and 8,997.75

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Solution

The fourth proportional to 16,072.70, 22,179.02 and 8,997.75 is: 12,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,072.70 : 22,179.02 = 8,997.75 : x
  2. Step 2: Convert to fraction form
    16,072.70/22,179.02 = 8,997.75/x
  3. Step 3: Cross multiply
    16,072.70x = 22,179.02 × 8,997.75
  4. Step 4: Simplify right side
    16,072.70x = 199,561,232.22
  5. Step 5: Solve for x
    x = 199,561,232.22/16,072.70
  6. Step 6: Final answer
    x = 12,416.16

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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.