Home / 22,016.68-30,382.84-11,945.12

Finding the Fourth Proportional to 22,016.68, 30,382.84 and 11,945.12

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Solution

The fourth proportional to 22,016.68, 30,382.84 and 11,945.12 is: 16,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016.68 : 30,382.84 = 11,945.12 : x
  2. Step 2: Convert to fraction form
    22,016.68/30,382.84 = 11,945.12/x
  3. Step 3: Cross multiply
    22,016.68x = 30,382.84 × 11,945.12
  4. Step 4: Simplify right side
    22,016.68x = 362,926,669.74
  5. Step 5: Solve for x
    x = 362,926,669.74/22,016.68
  6. Step 6: Final answer
    x = 16,484.17

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Similar ratio
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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.