Home / 26,715.75-36,882.45-19,998.96

Finding the Fourth Proportional to 26,715.75, 36,882.45 and 19,998.96

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Solution

The fourth proportional to 26,715.75, 36,882.45 and 19,998.96 is: 27,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.75 : 36,882.45 = 19,998.96 : x
  2. Step 2: Convert to fraction form
    26,715.75/36,882.45 = 19,998.96/x
  3. Step 3: Cross multiply
    26,715.75x = 36,882.45 × 19,998.96
  4. Step 4: Simplify right side
    26,715.75x = 737,610,642.25
  5. Step 5: Solve for x
    x = 737,610,642.25/26,715.75
  6. Step 6: Final answer
    x = 27,609.58

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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.