Home / 18,976.23-28,464.92-4,935.96

Finding the Fourth Proportional to 18,976.23, 28,464.92 and 4,935.96

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Solution

The fourth proportional to 18,976.23, 28,464.92 and 4,935.96 is: 7,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.23 : 28,464.92 = 4,935.96 : x
  2. Step 2: Convert to fraction form
    18,976.23/28,464.92 = 4,935.96/x
  3. Step 3: Cross multiply
    18,976.23x = 28,464.92 × 4,935.96
  4. Step 4: Simplify right side
    18,976.23x = 140,501,681.84
  5. Step 5: Solve for x
    x = 140,501,681.84/18,976.23
  6. Step 6: Final answer
    x = 7,404.09

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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.