Home / 16,100.94-22,218.39-9,387.66

Finding the Fourth Proportional to 16,100.94, 22,218.39 and 9,387.66

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Solution

The fourth proportional to 16,100.94, 22,218.39 and 9,387.66 is: 12,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,100.94 : 22,218.39 = 9,387.66 : x
  2. Step 2: Convert to fraction form
    16,100.94/22,218.39 = 9,387.66/x
  3. Step 3: Cross multiply
    16,100.94x = 22,218.39 × 9,387.66
  4. Step 4: Simplify right side
    16,100.94x = 208,578,691.07
  5. Step 5: Solve for x
    x = 208,578,691.07/16,100.94
  6. Step 6: Final answer
    x = 12,954.44

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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.