Home / 27,867.25-41,815.23-18,513.73

Finding the Fourth Proportional to 27,867.25, 41,815.23 and 18,513.73

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Solution

The fourth proportional to 27,867.25, 41,815.23 and 18,513.73 is: 27,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.25 : 41,815.23 = 18,513.73 : x
  2. Step 2: Convert to fraction form
    27,867.25/41,815.23 = 18,513.73/x
  3. Step 3: Cross multiply
    27,867.25x = 41,815.23 × 18,513.73
  4. Step 4: Simplify right side
    27,867.25x = 774,155,878.11
  5. Step 5: Solve for x
    x = 774,155,878.11/27,867.25
  6. Step 6: Final answer
    x = 27,780.13

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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.