Home / 18,086.30-27,006.33-15,960.18

Finding the Fourth Proportional to 18,086.30, 27,006.33 and 15,960.18

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Solution

The fourth proportional to 18,086.30, 27,006.33 and 15,960.18 is: 23,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.30 : 27,006.33 = 15,960.18 : x
  2. Step 2: Convert to fraction form
    18,086.30/27,006.33 = 15,960.18/x
  3. Step 3: Cross multiply
    18,086.30x = 27,006.33 × 15,960.18
  4. Step 4: Simplify right side
    18,086.30x = 431,025,887.94
  5. Step 5: Solve for x
    x = 431,025,887.94/18,086.30
  6. Step 6: Final answer
    x = 23,831.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.