Home / 21,840.20-32,761.02-6,256.52

Finding the Fourth Proportional to 21,840.20, 32,761.02 and 6,256.52

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Solution

The fourth proportional to 21,840.20, 32,761.02 and 6,256.52 is: 9,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.20 : 32,761.02 = 6,256.52 : x
  2. Step 2: Convert to fraction form
    21,840.20/32,761.02 = 6,256.52/x
  3. Step 3: Cross multiply
    21,840.20x = 32,761.02 × 6,256.52
  4. Step 4: Simplify right side
    21,840.20x = 204,969,976.85
  5. Step 5: Solve for x
    x = 204,969,976.85/21,840.20
  6. Step 6: Final answer
    x = 9,384.99

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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.