Home / 18,601.19-27,872.61-15,816.41

Finding the Fourth Proportional to 18,601.19, 27,872.61 and 15,816.41

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Solution

The fourth proportional to 18,601.19, 27,872.61 and 15,816.41 is: 23,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.19 : 27,872.61 = 15,816.41 : x
  2. Step 2: Convert to fraction form
    18,601.19/27,872.61 = 15,816.41/x
  3. Step 3: Cross multiply
    18,601.19x = 27,872.61 × 15,816.41
  4. Step 4: Simplify right side
    18,601.19x = 440,844,627.53
  5. Step 5: Solve for x
    x = 440,844,627.53/18,601.19
  6. Step 6: Final answer
    x = 23,699.81

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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.