Home / 18,066.76-27,107.89-6,981.23

Finding the Fourth Proportional to 18,066.76, 27,107.89 and 6,981.23

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Solution

The fourth proportional to 18,066.76, 27,107.89 and 6,981.23 is: 10,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066.76 : 27,107.89 = 6,981.23 : x
  2. Step 2: Convert to fraction form
    18,066.76/27,107.89 = 6,981.23/x
  3. Step 3: Cross multiply
    18,066.76x = 27,107.89 × 6,981.23
  4. Step 4: Simplify right side
    18,066.76x = 189,246,414.90
  5. Step 5: Solve for x
    x = 189,246,414.90/18,066.76
  6. Step 6: Final answer
    x = 10,474.84

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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.