Home / 16,198.25-22,359.85-12,662.60

Finding the Fourth Proportional to 16,198.25, 22,359.85 and 12,662.60

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Solution

The fourth proportional to 16,198.25, 22,359.85 and 12,662.60 is: 17,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,198.25 : 22,359.85 = 12,662.60 : x
  2. Step 2: Convert to fraction form
    16,198.25/22,359.85 = 12,662.60/x
  3. Step 3: Cross multiply
    16,198.25x = 22,359.85 × 12,662.60
  4. Step 4: Simplify right side
    16,198.25x = 283,133,693.15
  5. Step 5: Solve for x
    x = 283,133,693.15/16,198.25
  6. Step 6: Final answer
    x = 17,479.28

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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.