Home / 26,815.76-36,992.88-19,634.36

Finding the Fourth Proportional to 26,815.76, 36,992.88 and 19,634.36

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Solution

The fourth proportional to 26,815.76, 36,992.88 and 19,634.36 is: 27,085.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.76 : 36,992.88 = 19,634.36 : x
  2. Step 2: Convert to fraction form
    26,815.76/36,992.88 = 19,634.36/x
  3. Step 3: Cross multiply
    26,815.76x = 36,992.88 × 19,634.36
  4. Step 4: Simplify right side
    26,815.76x = 726,331,523.36
  5. Step 5: Solve for x
    x = 726,331,523.36/26,815.76
  6. Step 6: Final answer
    x = 27,085.99

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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.