Home / 19,998.82-27,606.24-13,191.76

Finding the Fourth Proportional to 19,998.82, 27,606.24 and 13,191.76

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Solution

The fourth proportional to 19,998.82, 27,606.24 and 13,191.76 is: 18,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.82 : 27,606.24 = 13,191.76 : x
  2. Step 2: Convert to fraction form
    19,998.82/27,606.24 = 13,191.76/x
  3. Step 3: Cross multiply
    19,998.82x = 27,606.24 × 13,191.76
  4. Step 4: Simplify right side
    19,998.82x = 364,174,892.58
  5. Step 5: Solve for x
    x = 364,174,892.58/19,998.82
  6. Step 6: Final answer
    x = 18,209.82

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Double scale
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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.