Home / 18,084.56-27,126.51-4,936.86

Finding the Fourth Proportional to 18,084.56, 27,126.51 and 4,936.86

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Solution

The fourth proportional to 18,084.56, 27,126.51 and 4,936.86 is: 7,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.56 : 27,126.51 = 4,936.86 : x
  2. Step 2: Convert to fraction form
    18,084.56/27,126.51 = 4,936.86/x
  3. Step 3: Cross multiply
    18,084.56x = 27,126.51 × 4,936.86
  4. Step 4: Simplify right side
    18,084.56x = 133,919,782.16
  5. Step 5: Solve for x
    x = 133,919,782.16/18,084.56
  6. Step 6: Final answer
    x = 7,405.20

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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.