Home / 21,195.54-29,249.37-11,764.98

Finding the Fourth Proportional to 21,195.54, 29,249.37 and 11,764.98

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Solution

The fourth proportional to 21,195.54, 29,249.37 and 11,764.98 is: 16,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.54 : 29,249.37 = 11,764.98 : x
  2. Step 2: Convert to fraction form
    21,195.54/29,249.37 = 11,764.98/x
  3. Step 3: Cross multiply
    21,195.54x = 29,249.37 × 11,764.98
  4. Step 4: Simplify right side
    21,195.54x = 344,118,253.06
  5. Step 5: Solve for x
    x = 344,118,253.06/21,195.54
  6. Step 6: Final answer
    x = 16,235.41

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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.