Home / 18,974.62-26,182.99-11,015.29

Finding the Fourth Proportional to 18,974.62, 26,182.99 and 11,015.29

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Solution

The fourth proportional to 18,974.62, 26,182.99 and 11,015.29 is: 15,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.62 : 26,182.99 = 11,015.29 : x
  2. Step 2: Convert to fraction form
    18,974.62/26,182.99 = 11,015.29/x
  3. Step 3: Cross multiply
    18,974.62x = 26,182.99 × 11,015.29
  4. Step 4: Simplify right side
    18,974.62x = 288,413,227.92
  5. Step 5: Solve for x
    x = 288,413,227.92/18,974.62
  6. Step 6: Final answer
    x = 15,199.95

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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.