Home / 14,754.72-22,131.36-5,520

Finding the Fourth Proportional to 14,754.72, 22,131.36 and 5,520

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Solution

The fourth proportional to 14,754.72, 22,131.36 and 5,520 is: 8,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.72 : 22,131.36 = 5,520 : x
  2. Step 2: Convert to fraction form
    14,754.72/22,131.36 = 5,520/x
  3. Step 3: Cross multiply
    14,754.72x = 22,131.36 × 5,520
  4. Step 4: Simplify right side
    14,754.72x = 122,165,107.20
  5. Step 5: Solve for x
    x = 122,165,107.20/14,754.72
  6. Step 6: Final answer
    x = 8,279.73

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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.