Home / 19,663.99-27,136.44-10,711.42

Finding the Fourth Proportional to 19,663.99, 27,136.44 and 10,711.42

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Solution

The fourth proportional to 19,663.99, 27,136.44 and 10,711.42 is: 14,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.99 : 27,136.44 = 10,711.42 : x
  2. Step 2: Convert to fraction form
    19,663.99/27,136.44 = 10,711.42/x
  3. Step 3: Cross multiply
    19,663.99x = 27,136.44 × 10,711.42
  4. Step 4: Simplify right side
    19,663.99x = 290,669,738.30
  5. Step 5: Solve for x
    x = 290,669,738.30/19,663.99
  6. Step 6: Final answer
    x = 14,781.83

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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.