Home / 21,653.28-32,481.84-6,071.04

Finding the Fourth Proportional to 21,653.28, 32,481.84 and 6,071.04

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Solution

The fourth proportional to 21,653.28, 32,481.84 and 6,071.04 is: 9,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.28 : 32,481.84 = 6,071.04 : x
  2. Step 2: Convert to fraction form
    21,653.28/32,481.84 = 6,071.04/x
  3. Step 3: Cross multiply
    21,653.28x = 32,481.84 × 6,071.04
  4. Step 4: Simplify right side
    21,653.28x = 197,198,549.91
  5. Step 5: Solve for x
    x = 197,198,549.91/21,653.28
  6. Step 6: Final answer
    x = 9,107.10

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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.