Home / 13,330.26-19,982.43-5,541.30

Finding the Fourth Proportional to 13,330.26, 19,982.43 and 5,541.30

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Solution

The fourth proportional to 13,330.26, 19,982.43 and 5,541.30 is: 8,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.26 : 19,982.43 = 5,541.30 : x
  2. Step 2: Convert to fraction form
    13,330.26/19,982.43 = 5,541.30/x
  3. Step 3: Cross multiply
    13,330.26x = 19,982.43 × 5,541.30
  4. Step 4: Simplify right side
    13,330.26x = 110,728,639.36
  5. Step 5: Solve for x
    x = 110,728,639.36/13,330.26
  6. Step 6: Final answer
    x = 8,306.56

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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.