Home / 27,623.75-41,435.33-11,815.38

Finding the Fourth Proportional to 27,623.75, 41,435.33 and 11,815.38

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Solution

The fourth proportional to 27,623.75, 41,435.33 and 11,815.38 is: 17,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.75 : 41,435.33 = 11,815.38 : x
  2. Step 2: Convert to fraction form
    27,623.75/41,435.33 = 11,815.38/x
  3. Step 3: Cross multiply
    27,623.75x = 41,435.33 × 11,815.38
  4. Step 4: Simplify right side
    27,623.75x = 489,574,284.87
  5. Step 5: Solve for x
    x = 489,574,284.87/27,623.75
  6. Step 6: Final answer
    x = 17,722.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.