Home / 12,772.49-19,150.02-6,933.20

Finding the Fourth Proportional to 12,772.49, 19,150.02 and 6,933.20

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Solution

The fourth proportional to 12,772.49, 19,150.02 and 6,933.20 is: 10,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.49 : 19,150.02 = 6,933.20 : x
  2. Step 2: Convert to fraction form
    12,772.49/19,150.02 = 6,933.20/x
  3. Step 3: Cross multiply
    12,772.49x = 19,150.02 × 6,933.20
  4. Step 4: Simplify right side
    12,772.49x = 132,770,822.91
  5. Step 5: Solve for x
    x = 132,770,822.91/12,772.49
  6. Step 6: Final answer
    x = 10,395.07

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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.