Home / 13,082.53-19,623.82-3,221.81

Finding the Fourth Proportional to 13,082.53, 19,623.82 and 3,221.81

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Solution

The fourth proportional to 13,082.53, 19,623.82 and 3,221.81 is: 4,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.53 : 19,623.82 = 3,221.81 : x
  2. Step 2: Convert to fraction form
    13,082.53/19,623.82 = 3,221.81/x
  3. Step 3: Cross multiply
    13,082.53x = 19,623.82 × 3,221.81
  4. Step 4: Simplify right side
    13,082.53x = 63,224,192.97
  5. Step 5: Solve for x
    x = 63,224,192.97/13,082.53
  6. Step 6: Final answer
    x = 4,832.72

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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.