Home / 18,170.64-27,259.20-7,083.36

Finding the Fourth Proportional to 18,170.64, 27,259.20 and 7,083.36

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Solution

The fourth proportional to 18,170.64, 27,259.20 and 7,083.36 is: 10,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.64 : 27,259.20 = 7,083.36 : x
  2. Step 2: Convert to fraction form
    18,170.64/27,259.20 = 7,083.36/x
  3. Step 3: Cross multiply
    18,170.64x = 27,259.20 × 7,083.36
  4. Step 4: Simplify right side
    18,170.64x = 193,086,726.91
  5. Step 5: Solve for x
    x = 193,086,726.91/18,170.64
  6. Step 6: Final answer
    x = 10,626.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.