Home / 15,698.55-23,550.82-5,171.61

Finding the Fourth Proportional to 15,698.55, 23,550.82 and 5,171.61

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Solution

The fourth proportional to 15,698.55, 23,550.82 and 5,171.61 is: 7,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.55 : 23,550.82 = 5,171.61 : x
  2. Step 2: Convert to fraction form
    15,698.55/23,550.82 = 5,171.61/x
  3. Step 3: Cross multiply
    15,698.55x = 23,550.82 × 5,171.61
  4. Step 4: Simplify right side
    15,698.55x = 121,795,731.61
  5. Step 5: Solve for x
    x = 121,795,731.61/15,698.55
  6. Step 6: Final answer
    x = 7,758.41

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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.