Home / 11,731.52-17,580.36-11,376.56

Finding the Fourth Proportional to 11,731.52, 17,580.36 and 11,376.56

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Solution

The fourth proportional to 11,731.52, 17,580.36 and 11,376.56 is: 17,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.52 : 17,580.36 = 11,376.56 : x
  2. Step 2: Convert to fraction form
    11,731.52/17,580.36 = 11,376.56/x
  3. Step 3: Cross multiply
    11,731.52x = 17,580.36 × 11,376.56
  4. Step 4: Simplify right side
    11,731.52x = 200,004,020.36
  5. Step 5: Solve for x
    x = 200,004,020.36/11,731.52
  6. Step 6: Final answer
    x = 17,048.43

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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.