Home / 17,126.47-25,687.38-4,647.29

Finding the Fourth Proportional to 17,126.47, 25,687.38 and 4,647.29

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Solution

The fourth proportional to 17,126.47, 25,687.38 and 4,647.29 is: 6,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.47 : 25,687.38 = 4,647.29 : x
  2. Step 2: Convert to fraction form
    17,126.47/25,687.38 = 4,647.29/x
  3. Step 3: Cross multiply
    17,126.47x = 25,687.38 × 4,647.29
  4. Step 4: Simplify right side
    17,126.47x = 119,376,704.20
  5. Step 5: Solve for x
    x = 119,376,704.20/17,126.47
  6. Step 6: Final answer
    x = 6,970.31

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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.