Home / 13,328.38-19,992.66-4,563.36

Finding the Fourth Proportional to 13,328.38, 19,992.66 and 4,563.36

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Solution

The fourth proportional to 13,328.38, 19,992.66 and 4,563.36 is: 6,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.38 : 19,992.66 = 4,563.36 : x
  2. Step 2: Convert to fraction form
    13,328.38/19,992.66 = 4,563.36/x
  3. Step 3: Cross multiply
    13,328.38x = 19,992.66 × 4,563.36
  4. Step 4: Simplify right side
    13,328.38x = 91,233,704.94
  5. Step 5: Solve for x
    x = 91,233,704.94/13,328.38
  6. Step 6: Final answer
    x = 6,845.07

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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.