Home / 18,039.38-27,055.35-6,942.24

Finding the Fourth Proportional to 18,039.38, 27,055.35 and 6,942.24

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Solution

The fourth proportional to 18,039.38, 27,055.35 and 6,942.24 is: 10,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.38 : 27,055.35 = 6,942.24 : x
  2. Step 2: Convert to fraction form
    18,039.38/27,055.35 = 6,942.24/x
  3. Step 3: Cross multiply
    18,039.38x = 27,055.35 × 6,942.24
  4. Step 4: Simplify right side
    18,039.38x = 187,824,732.98
  5. Step 5: Solve for x
    x = 187,824,732.98/18,039.38
  6. Step 6: Final answer
    x = 10,411.93

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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.