Home / 19,741.49-29,619.57-11,849.66

Finding the Fourth Proportional to 19,741.49, 29,619.57 and 11,849.66

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Solution

The fourth proportional to 19,741.49, 29,619.57 and 11,849.66 is: 17,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.49 : 29,619.57 = 11,849.66 : x
  2. Step 2: Convert to fraction form
    19,741.49/29,619.57 = 11,849.66/x
  3. Step 3: Cross multiply
    19,741.49x = 29,619.57 × 11,849.66
  4. Step 4: Simplify right side
    19,741.49x = 350,981,685.75
  5. Step 5: Solve for x
    x = 350,981,685.75/19,741.49
  6. Step 6: Final answer
    x = 17,778.89

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1.5x scale

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.