Home / 17,172.49-25,756.26-6,647.48

Finding the Fourth Proportional to 17,172.49, 25,756.26 and 6,647.48

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Solution

The fourth proportional to 17,172.49, 25,756.26 and 6,647.48 is: 9,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.49 : 25,756.26 = 6,647.48 : x
  2. Step 2: Convert to fraction form
    17,172.49/25,756.26 = 6,647.48/x
  3. Step 3: Cross multiply
    17,172.49x = 25,756.26 × 6,647.48
  4. Step 4: Simplify right side
    17,172.49x = 171,214,223.22
  5. Step 5: Solve for x
    x = 171,214,223.22/17,172.49
  6. Step 6: Final answer
    x = 9,970.26

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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.