Home / 17,958.54-26,942.40-17,661

Finding the Fourth Proportional to 17,958.54, 26,942.40 and 17,661

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Solution

The fourth proportional to 17,958.54, 26,942.40 and 17,661 is: 26,496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.54 : 26,942.40 = 17,661 : x
  2. Step 2: Convert to fraction form
    17,958.54/26,942.40 = 17,661/x
  3. Step 3: Cross multiply
    17,958.54x = 26,942.40 × 17,661
  4. Step 4: Simplify right side
    17,958.54x = 475,829,726.40
  5. Step 5: Solve for x
    x = 475,829,726.40/17,958.54
  6. Step 6: Final answer
    x = 26,496.01

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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.