Home / 13,175.03-19,755.25-5,389.31

Finding the Fourth Proportional to 13,175.03, 19,755.25 and 5,389.31

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Solution

The fourth proportional to 13,175.03, 19,755.25 and 5,389.31 is: 8,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.03 : 19,755.25 = 5,389.31 : x
  2. Step 2: Convert to fraction form
    13,175.03/19,755.25 = 5,389.31/x
  3. Step 3: Cross multiply
    13,175.03x = 19,755.25 × 5,389.31
  4. Step 4: Simplify right side
    13,175.03x = 106,467,166.38
  5. Step 5: Solve for x
    x = 106,467,166.38/13,175.03
  6. Step 6: Final answer
    x = 8,080.98

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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.