Home / 16,146.54-22,282.62-9,072.78

Finding the Fourth Proportional to 16,146.54, 22,282.62 and 9,072.78

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Solution

The fourth proportional to 16,146.54, 22,282.62 and 9,072.78 is: 12,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,146.54 : 22,282.62 = 9,072.78 : x
  2. Step 2: Convert to fraction form
    16,146.54/22,282.62 = 9,072.78/x
  3. Step 3: Cross multiply
    16,146.54x = 22,282.62 × 9,072.78
  4. Step 4: Simplify right side
    16,146.54x = 202,165,309.08
  5. Step 5: Solve for x
    x = 202,165,309.08/16,146.54
  6. Step 6: Final answer
    x = 12,520.66

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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.