Home / 14,195.78-21,296.24-5,871.28

Finding the Fourth Proportional to 14,195.78, 21,296.24 and 5,871.28

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Solution

The fourth proportional to 14,195.78, 21,296.24 and 5,871.28 is: 8,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.78 : 21,296.24 = 5,871.28 : x
  2. Step 2: Convert to fraction form
    14,195.78/21,296.24 = 5,871.28/x
  3. Step 3: Cross multiply
    14,195.78x = 21,296.24 × 5,871.28
  4. Step 4: Simplify right side
    14,195.78x = 125,036,052.15
  5. Step 5: Solve for x
    x = 125,036,052.15/14,195.78
  6. Step 6: Final answer
    x = 8,807.97

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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.