Home / 17,129.48-25,693.30-5,441.78

Finding the Fourth Proportional to 17,129.48, 25,693.30 and 5,441.78

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Solution

The fourth proportional to 17,129.48, 25,693.30 and 5,441.78 is: 8,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.48 : 25,693.30 = 5,441.78 : x
  2. Step 2: Convert to fraction form
    17,129.48/25,693.30 = 5,441.78/x
  3. Step 3: Cross multiply
    17,129.48x = 25,693.30 × 5,441.78
  4. Step 4: Simplify right side
    17,129.48x = 139,817,357.11
  5. Step 5: Solve for x
    x = 139,817,357.11/17,129.48
  6. Step 6: Final answer
    x = 8,162.38

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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.