Home / 12,299.82-18,532.00-11,131.06

Finding the Fourth Proportional to 12,299.82, 18,532.00 and 11,131.06

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Solution

The fourth proportional to 12,299.82, 18,532.00 and 11,131.06 is: 16,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.82 : 18,532.00 = 11,131.06 : x
  2. Step 2: Convert to fraction form
    12,299.82/18,532.00 = 11,131.06/x
  3. Step 3: Cross multiply
    12,299.82x = 18,532.00 × 11,131.06
  4. Step 4: Simplify right side
    12,299.82x = 206,280,748.26
  5. Step 5: Solve for x
    x = 206,280,748.26/12,299.82
  6. Step 6: Final answer
    x = 16,771.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.