Home / 20,196.16-27,861.13-14,231.11

Finding the Fourth Proportional to 20,196.16, 27,861.13 and 14,231.11

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Solution

The fourth proportional to 20,196.16, 27,861.13 and 14,231.11 is: 19,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.16 : 27,861.13 = 14,231.11 : x
  2. Step 2: Convert to fraction form
    20,196.16/27,861.13 = 14,231.11/x
  3. Step 3: Cross multiply
    20,196.16x = 27,861.13 × 14,231.11
  4. Step 4: Simplify right side
    20,196.16x = 396,494,805.75
  5. Step 5: Solve for x
    x = 396,494,805.75/20,196.16
  6. Step 6: Final answer
    x = 19,632.19

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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.