Home / 15,276.82-21,091.53-11,732.98

Finding the Fourth Proportional to 15,276.82, 21,091.53 and 11,732.98

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Solution

The fourth proportional to 15,276.82, 21,091.53 and 11,732.98 is: 16,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276.82 : 21,091.53 = 11,732.98 : x
  2. Step 2: Convert to fraction form
    15,276.82/21,091.53 = 11,732.98/x
  3. Step 3: Cross multiply
    15,276.82x = 21,091.53 × 11,732.98
  4. Step 4: Simplify right side
    15,276.82x = 247,466,499.66
  5. Step 5: Solve for x
    x = 247,466,499.66/15,276.82
  6. Step 6: Final answer
    x = 16,198.82

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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.