Home / 14,605.44-21,899.52-5,721.36

Finding the Fourth Proportional to 14,605.44, 21,899.52 and 5,721.36

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Solution

The fourth proportional to 14,605.44, 21,899.52 and 5,721.36 is: 8,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.44 : 21,899.52 = 5,721.36 : x
  2. Step 2: Convert to fraction form
    14,605.44/21,899.52 = 5,721.36/x
  3. Step 3: Cross multiply
    14,605.44x = 21,899.52 × 5,721.36
  4. Step 4: Simplify right side
    14,605.44x = 125,295,037.75
  5. Step 5: Solve for x
    x = 125,295,037.75/14,605.44
  6. Step 6: Final answer
    x = 8,578.66

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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.