Home / 20,467.52-30,704.73-6,424.82

Finding the Fourth Proportional to 20,467.52, 30,704.73 and 6,424.82

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Solution

The fourth proportional to 20,467.52, 30,704.73 and 6,424.82 is: 9,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.52 : 30,704.73 = 6,424.82 : x
  2. Step 2: Convert to fraction form
    20,467.52/30,704.73 = 6,424.82/x
  3. Step 3: Cross multiply
    20,467.52x = 30,704.73 × 6,424.82
  4. Step 4: Simplify right side
    20,467.52x = 197,272,363.40
  5. Step 5: Solve for x
    x = 197,272,363.40/20,467.52
  6. Step 6: Final answer
    x = 9,638.31

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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.