Home / 16,081.09-22,191.97-9,371.32

Finding the Fourth Proportional to 16,081.09, 22,191.97 and 9,371.32

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Solution

The fourth proportional to 16,081.09, 22,191.97 and 9,371.32 is: 12,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,081.09 : 22,191.97 = 9,371.32 : x
  2. Step 2: Convert to fraction form
    16,081.09/22,191.97 = 9,371.32/x
  3. Step 3: Cross multiply
    16,081.09x = 22,191.97 × 9,371.32
  4. Step 4: Simplify right side
    16,081.09x = 207,968,052.30
  5. Step 5: Solve for x
    x = 207,968,052.30/16,081.09
  6. Step 6: Final answer
    x = 12,932.46

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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.