Home / 20,192.64-27,866.66-11,239.57

Finding the Fourth Proportional to 20,192.64, 27,866.66 and 11,239.57

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Solution

The fourth proportional to 20,192.64, 27,866.66 and 11,239.57 is: 15,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.64 : 27,866.66 = 11,239.57 : x
  2. Step 2: Convert to fraction form
    20,192.64/27,866.66 = 11,239.57/x
  3. Step 3: Cross multiply
    20,192.64x = 27,866.66 × 11,239.57
  4. Step 4: Simplify right side
    20,192.64x = 313,209,219.54
  5. Step 5: Solve for x
    x = 313,209,219.54/20,192.64
  6. Step 6: Final answer
    x = 15,511.06

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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.