Home / 15,976.74-23,971.69-6,618.64

Finding the Fourth Proportional to 15,976.74, 23,971.69 and 6,618.64

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Solution

The fourth proportional to 15,976.74, 23,971.69 and 6,618.64 is: 9,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.74 : 23,971.69 = 6,618.64 : x
  2. Step 2: Convert to fraction form
    15,976.74/23,971.69 = 6,618.64/x
  3. Step 3: Cross multiply
    15,976.74x = 23,971.69 × 6,618.64
  4. Step 4: Simplify right side
    15,976.74x = 158,659,986.30
  5. Step 5: Solve for x
    x = 158,659,986.30/15,976.74
  6. Step 6: Final answer
    x = 9,930.69

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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.