Home / 19,131.24-28,693.62-5,277

Finding the Fourth Proportional to 19,131.24, 28,693.62 and 5,277

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Solution

The fourth proportional to 19,131.24, 28,693.62 and 5,277 is: 7,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.24 : 28,693.62 = 5,277 : x
  2. Step 2: Convert to fraction form
    19,131.24/28,693.62 = 5,277/x
  3. Step 3: Cross multiply
    19,131.24x = 28,693.62 × 5,277
  4. Step 4: Simplify right side
    19,131.24x = 151,416,232.74
  5. Step 5: Solve for x
    x = 151,416,232.74/19,131.24
  6. Step 6: Final answer
    x = 7,914.61

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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.