Home / 15,736.93-23,619.97-7,951.21

Finding the Fourth Proportional to 15,736.93, 23,619.97 and 7,951.21

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Solution

The fourth proportional to 15,736.93, 23,619.97 and 7,951.21 is: 11,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736.93 : 23,619.97 = 7,951.21 : x
  2. Step 2: Convert to fraction form
    15,736.93/23,619.97 = 7,951.21/x
  3. Step 3: Cross multiply
    15,736.93x = 23,619.97 × 7,951.21
  4. Step 4: Simplify right side
    15,736.93x = 187,807,292.55
  5. Step 5: Solve for x
    x = 187,807,292.55/15,736.93
  6. Step 6: Final answer
    x = 11,934.18

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1.5x scale

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.