Home / 21,581.28-32,376.24-6,792.48

Finding the Fourth Proportional to 21,581.28, 32,376.24 and 6,792.48

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Solution

The fourth proportional to 21,581.28, 32,376.24 and 6,792.48 is: 10,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.28 : 32,376.24 = 6,792.48 : x
  2. Step 2: Convert to fraction form
    21,581.28/32,376.24 = 6,792.48/x
  3. Step 3: Cross multiply
    21,581.28x = 32,376.24 × 6,792.48
  4. Step 4: Simplify right side
    21,581.28x = 219,914,962.68
  5. Step 5: Solve for x
    x = 219,914,962.68/21,581.28
  6. Step 6: Final answer
    x = 10,190.08

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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.