Home / 18,077.59-27,115.58-4,929.96

Finding the Fourth Proportional to 18,077.59, 27,115.58 and 4,929.96

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Solution

The fourth proportional to 18,077.59, 27,115.58 and 4,929.96 is: 7,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.59 : 27,115.58 = 4,929.96 : x
  2. Step 2: Convert to fraction form
    18,077.59/27,115.58 = 4,929.96/x
  3. Step 3: Cross multiply
    18,077.59x = 27,115.58 × 4,929.96
  4. Step 4: Simplify right side
    18,077.59x = 133,678,724.78
  5. Step 5: Solve for x
    x = 133,678,724.78/18,077.59
  6. Step 6: Final answer
    x = 7,394.72

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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.