Home / 18,612.65-27,942.66-12,066.23

Finding the Fourth Proportional to 18,612.65, 27,942.66 and 12,066.23

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Solution

The fourth proportional to 18,612.65, 27,942.66 and 12,066.23 is: 18,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.65 : 27,942.66 = 12,066.23 : x
  2. Step 2: Convert to fraction form
    18,612.65/27,942.66 = 12,066.23/x
  3. Step 3: Cross multiply
    18,612.65x = 27,942.66 × 12,066.23
  4. Step 4: Simplify right side
    18,612.65x = 337,162,422.66
  5. Step 5: Solve for x
    x = 337,162,422.66/18,612.65
  6. Step 6: Final answer
    x = 18,114.70

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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.