Home / 17,910.46-26,865.78-4,763.80

Finding the Fourth Proportional to 17,910.46, 26,865.78 and 4,763.80

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Solution

The fourth proportional to 17,910.46, 26,865.78 and 4,763.80 is: 7,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.46 : 26,865.78 = 4,763.80 : x
  2. Step 2: Convert to fraction form
    17,910.46/26,865.78 = 4,763.80/x
  3. Step 3: Cross multiply
    17,910.46x = 26,865.78 × 4,763.80
  4. Step 4: Simplify right side
    17,910.46x = 127,983,202.76
  5. Step 5: Solve for x
    x = 127,983,202.76/17,910.46
  6. Step 6: Final answer
    x = 7,145.72

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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.