Home / 17,129.30-25,698.03-5,442.53

Finding the Fourth Proportional to 17,129.30, 25,698.03 and 5,442.53

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Solution

The fourth proportional to 17,129.30, 25,698.03 and 5,442.53 is: 8,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.30 : 25,698.03 = 5,442.53 : x
  2. Step 2: Convert to fraction form
    17,129.30/25,698.03 = 5,442.53/x
  3. Step 3: Cross multiply
    17,129.30x = 25,698.03 × 5,442.53
  4. Step 4: Simplify right side
    17,129.30x = 139,862,299.22
  5. Step 5: Solve for x
    x = 139,862,299.22/17,129.30
  6. Step 6: Final answer
    x = 8,165.09

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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.