Home / 20,098.04-27,736.98-11,715.08

Finding the Fourth Proportional to 20,098.04, 27,736.98 and 11,715.08

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Solution

The fourth proportional to 20,098.04, 27,736.98 and 11,715.08 is: 16,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.04 : 27,736.98 = 11,715.08 : x
  2. Step 2: Convert to fraction form
    20,098.04/27,736.98 = 11,715.08/x
  3. Step 3: Cross multiply
    20,098.04x = 27,736.98 × 11,715.08
  4. Step 4: Simplify right side
    20,098.04x = 324,940,939.66
  5. Step 5: Solve for x
    x = 324,940,939.66/20,098.04
  6. Step 6: Final answer
    x = 16,167.79

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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.