Home / 15,914.26-23,863.19-7,141.66

Finding the Fourth Proportional to 15,914.26, 23,863.19 and 7,141.66

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Solution

The fourth proportional to 15,914.26, 23,863.19 and 7,141.66 is: 10,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.26 : 23,863.19 = 7,141.66 : x
  2. Step 2: Convert to fraction form
    15,914.26/23,863.19 = 7,141.66/x
  3. Step 3: Cross multiply
    15,914.26x = 23,863.19 × 7,141.66
  4. Step 4: Simplify right side
    15,914.26x = 170,422,670.18
  5. Step 5: Solve for x
    x = 170,422,670.18/15,914.26
  6. Step 6: Final answer
    x = 10,708.80

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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.