Home / 18,632.16-27,961.20-12,042

Finding the Fourth Proportional to 18,632.16, 27,961.20 and 12,042

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Solution

The fourth proportional to 18,632.16, 27,961.20 and 12,042 is: 18,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.16 : 27,961.20 = 12,042 : x
  2. Step 2: Convert to fraction form
    18,632.16/27,961.20 = 12,042/x
  3. Step 3: Cross multiply
    18,632.16x = 27,961.20 × 12,042
  4. Step 4: Simplify right side
    18,632.16x = 336,708,770.40
  5. Step 5: Solve for x
    x = 336,708,770.40/18,632.16
  6. Step 6: Final answer
    x = 18,071.38

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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.