Home / 17,325.98-25,989.37-5,640.11

Finding the Fourth Proportional to 17,325.98, 25,989.37 and 5,640.11

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Solution

The fourth proportional to 17,325.98, 25,989.37 and 5,640.11 is: 8,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,325.98 : 25,989.37 = 5,640.11 : x
  2. Step 2: Convert to fraction form
    17,325.98/25,989.37 = 5,640.11/x
  3. Step 3: Cross multiply
    17,325.98x = 25,989.37 × 5,640.11
  4. Step 4: Simplify right side
    17,325.98x = 146,582,905.63
  5. Step 5: Solve for x
    x = 146,582,905.63/17,325.98
  6. Step 6: Final answer
    x = 8,460.30

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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.