Home / 19,145.94-28,718.91-5,998.38

Finding the Fourth Proportional to 19,145.94, 28,718.91 and 5,998.38

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Solution

The fourth proportional to 19,145.94, 28,718.91 and 5,998.38 is: 8,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.94 : 28,718.91 = 5,998.38 : x
  2. Step 2: Convert to fraction form
    19,145.94/28,718.91 = 5,998.38/x
  3. Step 3: Cross multiply
    19,145.94x = 28,718.91 × 5,998.38
  4. Step 4: Simplify right side
    19,145.94x = 172,266,935.37
  5. Step 5: Solve for x
    x = 172,266,935.37/19,145.94
  6. Step 6: Final answer
    x = 8,997.57

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Similar ratio
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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.