Home / 19,952.21-29,932.72-5,913.36

Finding the Fourth Proportional to 19,952.21, 29,932.72 and 5,913.36

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Solution

The fourth proportional to 19,952.21, 29,932.72 and 5,913.36 is: 8,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.21 : 29,932.72 = 5,913.36 : x
  2. Step 2: Convert to fraction form
    19,952.21/29,932.72 = 5,913.36/x
  3. Step 3: Cross multiply
    19,952.21x = 29,932.72 × 5,913.36
  4. Step 4: Simplify right side
    19,952.21x = 177,002,949.14
  5. Step 5: Solve for x
    x = 177,002,949.14/19,952.21
  6. Step 6: Final answer
    x = 8,871.35

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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.