Home / 18,102.72-24,983.52-11,033.28

Finding the Fourth Proportional to 18,102.72, 24,983.52 and 11,033.28

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Solution

The fourth proportional to 18,102.72, 24,983.52 and 11,033.28 is: 15,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.72 : 24,983.52 = 11,033.28 : x
  2. Step 2: Convert to fraction form
    18,102.72/24,983.52 = 11,033.28/x
  3. Step 3: Cross multiply
    18,102.72x = 24,983.52 × 11,033.28
  4. Step 4: Simplify right side
    18,102.72x = 275,650,171.55
  5. Step 5: Solve for x
    x = 275,650,171.55/18,102.72
  6. Step 6: Final answer
    x = 15,227.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.