Home / 16,900.02-25,360.56-8,135.82

Finding the Fourth Proportional to 16,900.02, 25,360.56 and 8,135.82

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Solution

The fourth proportional to 16,900.02, 25,360.56 and 8,135.82 is: 12,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,900.02 : 25,360.56 = 8,135.82 : x
  2. Step 2: Convert to fraction form
    16,900.02/25,360.56 = 8,135.82/x
  3. Step 3: Cross multiply
    16,900.02x = 25,360.56 × 8,135.82
  4. Step 4: Simplify right side
    16,900.02x = 206,328,951.26
  5. Step 5: Solve for x
    x = 206,328,951.26/16,900.02
  6. Step 6: Final answer
    x = 12,208.80

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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.