Home / 21,753.36-32,623.09-6,958.76

Finding the Fourth Proportional to 21,753.36, 32,623.09 and 6,958.76

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Solution

The fourth proportional to 21,753.36, 32,623.09 and 6,958.76 is: 10,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753.36 : 32,623.09 = 6,958.76 : x
  2. Step 2: Convert to fraction form
    21,753.36/32,623.09 = 6,958.76/x
  3. Step 3: Cross multiply
    21,753.36x = 32,623.09 × 6,958.76
  4. Step 4: Simplify right side
    21,753.36x = 227,016,073.26
  5. Step 5: Solve for x
    x = 227,016,073.26/21,753.36
  6. Step 6: Final answer
    x = 10,435.91

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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.