Home / 18,541.62-27,816.56-10,217.36

Finding the Fourth Proportional to 18,541.62, 27,816.56 and 10,217.36

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Solution

The fourth proportional to 18,541.62, 27,816.56 and 10,217.36 is: 15,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.62 : 27,816.56 = 10,217.36 : x
  2. Step 2: Convert to fraction form
    18,541.62/27,816.56 = 10,217.36/x
  3. Step 3: Cross multiply
    18,541.62x = 27,816.56 × 10,217.36
  4. Step 4: Simplify right side
    18,541.62x = 284,211,693.94
  5. Step 5: Solve for x
    x = 284,211,693.94/18,541.62
  6. Step 6: Final answer
    x = 15,328.31

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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.