Home / 19,262.56-28,896.72-6,115.36

Finding the Fourth Proportional to 19,262.56, 28,896.72 and 6,115.36

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Solution

The fourth proportional to 19,262.56, 28,896.72 and 6,115.36 is: 9,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.56 : 28,896.72 = 6,115.36 : x
  2. Step 2: Convert to fraction form
    19,262.56/28,896.72 = 6,115.36/x
  3. Step 3: Cross multiply
    19,262.56x = 28,896.72 × 6,115.36
  4. Step 4: Simplify right side
    19,262.56x = 176,713,845.62
  5. Step 5: Solve for x
    x = 176,713,845.62/19,262.56
  6. Step 6: Final answer
    x = 9,173.95

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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.