Home / 21,631.62-32,435.28-6,844.26

Finding the Fourth Proportional to 21,631.62, 32,435.28 and 6,844.26

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Solution

The fourth proportional to 21,631.62, 32,435.28 and 6,844.26 is: 10,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.62 : 32,435.28 = 6,844.26 : x
  2. Step 2: Convert to fraction form
    21,631.62/32,435.28 = 6,844.26/x
  3. Step 3: Cross multiply
    21,631.62x = 32,435.28 × 6,844.26
  4. Step 4: Simplify right side
    21,631.62x = 221,995,489.49
  5. Step 5: Solve for x
    x = 221,995,489.49/21,631.62
  6. Step 6: Final answer
    x = 10,262.55

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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.