Home / 22,249.97-30,705.02-12,178.49

Finding the Fourth Proportional to 22,249.97, 30,705.02 and 12,178.49

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Solution

The fourth proportional to 22,249.97, 30,705.02 and 12,178.49 is: 16,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.97 : 30,705.02 = 12,178.49 : x
  2. Step 2: Convert to fraction form
    22,249.97/30,705.02 = 12,178.49/x
  3. Step 3: Cross multiply
    22,249.97x = 30,705.02 × 12,178.49
  4. Step 4: Simplify right side
    22,249.97x = 373,940,576.02
  5. Step 5: Solve for x
    x = 373,940,576.02/22,249.97
  6. Step 6: Final answer
    x = 16,806.34

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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.