Home / 18,185.66-27,262.31-7,100.11

Finding the Fourth Proportional to 18,185.66, 27,262.31 and 7,100.11

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Solution

The fourth proportional to 18,185.66, 27,262.31 and 7,100.11 is: 10,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.66 : 27,262.31 = 7,100.11 : x
  2. Step 2: Convert to fraction form
    18,185.66/27,262.31 = 7,100.11/x
  3. Step 3: Cross multiply
    18,185.66x = 27,262.31 × 7,100.11
  4. Step 4: Simplify right side
    18,185.66x = 193,565,399.85
  5. Step 5: Solve for x
    x = 193,565,399.85/18,185.66
  6. Step 6: Final answer
    x = 10,643.85

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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.