Home / 19,974.39-29,963.25-5,742.93

Finding the Fourth Proportional to 19,974.39, 29,963.25 and 5,742.93

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Solution

The fourth proportional to 19,974.39, 29,963.25 and 5,742.93 is: 8,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.39 : 29,963.25 = 5,742.93 : x
  2. Step 2: Convert to fraction form
    19,974.39/29,963.25 = 5,742.93/x
  3. Step 3: Cross multiply
    19,974.39x = 29,963.25 × 5,742.93
  4. Step 4: Simplify right side
    19,974.39x = 172,076,847.32
  5. Step 5: Solve for x
    x = 172,076,847.32/19,974.39
  6. Step 6: Final answer
    x = 8,614.87

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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.