Home / 20,193.16-27,867.36-11,240.32

Finding the Fourth Proportional to 20,193.16, 27,867.36 and 11,240.32

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Solution

The fourth proportional to 20,193.16, 27,867.36 and 11,240.32 is: 15,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.16 : 27,867.36 = 11,240.32 : x
  2. Step 2: Convert to fraction form
    20,193.16/27,867.36 = 11,240.32/x
  3. Step 3: Cross multiply
    20,193.16x = 27,867.36 × 11,240.32
  4. Step 4: Simplify right side
    20,193.16x = 313,238,043.96
  5. Step 5: Solve for x
    x = 313,238,043.96/20,193.16
  6. Step 6: Final answer
    x = 15,512.09

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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.