Home / 17,220.75-25,835.46-4,908.75

Finding the Fourth Proportional to 17,220.75, 25,835.46 and 4,908.75

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Solution

The fourth proportional to 17,220.75, 25,835.46 and 4,908.75 is: 7,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.75 : 25,835.46 = 4,908.75 : x
  2. Step 2: Convert to fraction form
    17,220.75/25,835.46 = 4,908.75/x
  3. Step 3: Cross multiply
    17,220.75x = 25,835.46 × 4,908.75
  4. Step 4: Simplify right side
    17,220.75x = 126,819,814.28
  5. Step 5: Solve for x
    x = 126,819,814.28/17,220.75
  6. Step 6: Final answer
    x = 7,364.36

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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.