Home / 19,611.00-27,063.78-11,112.91

Finding the Fourth Proportional to 19,611.00, 27,063.78 and 11,112.91

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Solution

The fourth proportional to 19,611.00, 27,063.78 and 11,112.91 is: 15,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.00 : 27,063.78 = 11,112.91 : x
  2. Step 2: Convert to fraction form
    19,611.00/27,063.78 = 11,112.91/x
  3. Step 3: Cross multiply
    19,611.00x = 27,063.78 × 11,112.91
  4. Step 4: Simplify right side
    19,611.00x = 300,757,315.45
  5. Step 5: Solve for x
    x = 300,757,315.45/19,611.00
  6. Step 6: Final answer
    x = 15,336.15

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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.