Home / 27,086.73-37,389.11-18,616.95

Finding the Fourth Proportional to 27,086.73, 37,389.11 and 18,616.95

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Solution

The fourth proportional to 27,086.73, 37,389.11 and 18,616.95 is: 25,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.73 : 37,389.11 = 18,616.95 : x
  2. Step 2: Convert to fraction form
    27,086.73/37,389.11 = 18,616.95/x
  3. Step 3: Cross multiply
    27,086.73x = 37,389.11 × 18,616.95
  4. Step 4: Simplify right side
    27,086.73x = 696,071,098.33
  5. Step 5: Solve for x
    x = 696,071,098.33/27,086.73
  6. Step 6: Final answer
    x = 25,697.86

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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.