Home / 17,940.36-26,910.54-5,459.28

Finding the Fourth Proportional to 17,940.36, 26,910.54 and 5,459.28

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Solution

The fourth proportional to 17,940.36, 26,910.54 and 5,459.28 is: 8,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.36 : 26,910.54 = 5,459.28 : x
  2. Step 2: Convert to fraction form
    17,940.36/26,910.54 = 5,459.28/x
  3. Step 3: Cross multiply
    17,940.36x = 26,910.54 × 5,459.28
  4. Step 4: Simplify right side
    17,940.36x = 146,912,172.81
  5. Step 5: Solve for x
    x = 146,912,172.81/17,940.36
  6. Step 6: Final answer
    x = 8,188.92

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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.