Home / 20,089.14-27,723.24-11,136.82

Finding the Fourth Proportional to 20,089.14, 27,723.24 and 11,136.82

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Solution

The fourth proportional to 20,089.14, 27,723.24 and 11,136.82 is: 15,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.14 : 27,723.24 = 11,136.82 : x
  2. Step 2: Convert to fraction form
    20,089.14/27,723.24 = 11,136.82/x
  3. Step 3: Cross multiply
    20,089.14x = 27,723.24 × 11,136.82
  4. Step 4: Simplify right side
    20,089.14x = 308,748,733.70
  5. Step 5: Solve for x
    x = 308,748,733.70/20,089.14
  6. Step 6: Final answer
    x = 15,368.94

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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.