Home / 21,198.02-29,253.24-11,766.56

Finding the Fourth Proportional to 21,198.02, 29,253.24 and 11,766.56

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Solution

The fourth proportional to 21,198.02, 29,253.24 and 11,766.56 is: 16,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,198.02 : 29,253.24 = 11,766.56 : x
  2. Step 2: Convert to fraction form
    21,198.02/29,253.24 = 11,766.56/x
  3. Step 3: Cross multiply
    21,198.02x = 29,253.24 × 11,766.56
  4. Step 4: Simplify right side
    21,198.02x = 344,210,003.65
  5. Step 5: Solve for x
    x = 344,210,003.65/21,198.02
  6. Step 6: Final answer
    x = 16,237.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.