Home / 17,942.45-26,910.57-5,459.45

Finding the Fourth Proportional to 17,942.45, 26,910.57 and 5,459.45

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Solution

The fourth proportional to 17,942.45, 26,910.57 and 5,459.45 is: 8,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.45 : 26,910.57 = 5,459.45 : x
  2. Step 2: Convert to fraction form
    17,942.45/26,910.57 = 5,459.45/x
  3. Step 3: Cross multiply
    17,942.45x = 26,910.57 × 5,459.45
  4. Step 4: Simplify right side
    17,942.45x = 146,916,911.39
  5. Step 5: Solve for x
    x = 146,916,911.39/17,942.45
  6. Step 6: Final answer
    x = 8,188.23

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1.5x scale

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.