Home / 20,192.66-27,865.58-11,240.16

Finding the Fourth Proportional to 20,192.66, 27,865.58 and 11,240.16

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Solution

The fourth proportional to 20,192.66, 27,865.58 and 11,240.16 is: 15,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.66 : 27,865.58 = 11,240.16 : x
  2. Step 2: Convert to fraction form
    20,192.66/27,865.58 = 11,240.16/x
  3. Step 3: Cross multiply
    20,192.66x = 27,865.58 × 11,240.16
  4. Step 4: Simplify right side
    20,192.66x = 313,213,577.69
  5. Step 5: Solve for x
    x = 313,213,577.69/20,192.66
  6. Step 6: Final answer
    x = 15,511.26

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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.