Home / 15,512.45-23,260.62-7,611.51

Finding the Fourth Proportional to 15,512.45, 23,260.62 and 7,611.51

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Solution

The fourth proportional to 15,512.45, 23,260.62 and 7,611.51 is: 11,413.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.45 : 23,260.62 = 7,611.51 : x
  2. Step 2: Convert to fraction form
    15,512.45/23,260.62 = 7,611.51/x
  3. Step 3: Cross multiply
    15,512.45x = 23,260.62 × 7,611.51
  4. Step 4: Simplify right side
    15,512.45x = 177,048,441.74
  5. Step 5: Solve for x
    x = 177,048,441.74/15,512.45
  6. Step 6: Final answer
    x = 11,413.31

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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.