Home / 18,648.58-27,972.87-4,796.50

Finding the Fourth Proportional to 18,648.58, 27,972.87 and 4,796.50

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Solution

The fourth proportional to 18,648.58, 27,972.87 and 4,796.50 is: 7,194.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.58 : 27,972.87 = 4,796.50 : x
  2. Step 2: Convert to fraction form
    18,648.58/27,972.87 = 4,796.50/x
  3. Step 3: Cross multiply
    18,648.58x = 27,972.87 × 4,796.50
  4. Step 4: Simplify right side
    18,648.58x = 134,171,870.96
  5. Step 5: Solve for x
    x = 134,171,870.96/18,648.58
  6. Step 6: Final answer
    x = 7,194.75

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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.