Home / 22,057.11-30,439.06-11,985.71

Finding the Fourth Proportional to 22,057.11, 30,439.06 and 11,985.71

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Solution

The fourth proportional to 22,057.11, 30,439.06 and 11,985.71 is: 16,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.11 : 30,439.06 = 11,985.71 : x
  2. Step 2: Convert to fraction form
    22,057.11/30,439.06 = 11,985.71/x
  3. Step 3: Cross multiply
    22,057.11x = 30,439.06 × 11,985.71
  4. Step 4: Simplify right side
    22,057.11x = 364,833,563.67
  5. Step 5: Solve for x
    x = 364,833,563.67/22,057.11
  6. Step 6: Final answer
    x = 16,540.41

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Double scale
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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.