Home / 19,989.86-27,586.05-11,037.38

Finding the Fourth Proportional to 19,989.86, 27,586.05 and 11,037.38

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Solution

The fourth proportional to 19,989.86, 27,586.05 and 11,037.38 is: 15,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.86 : 27,586.05 = 11,037.38 : x
  2. Step 2: Convert to fraction form
    19,989.86/27,586.05 = 11,037.38/x
  3. Step 3: Cross multiply
    19,989.86x = 27,586.05 × 11,037.38
  4. Step 4: Simplify right side
    19,989.86x = 304,477,578.62
  5. Step 5: Solve for x
    x = 304,477,578.62/19,989.86
  6. Step 6: Final answer
    x = 15,231.61

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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.