Home / 23,829.78-35,708.20-12,738.04

Finding the Fourth Proportional to 23,829.78, 35,708.20 and 12,738.04

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Solution

The fourth proportional to 23,829.78, 35,708.20 and 12,738.04 is: 19,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,829.78 : 35,708.20 = 12,738.04 : x
  2. Step 2: Convert to fraction form
    23,829.78/35,708.20 = 12,738.04/x
  3. Step 3: Cross multiply
    23,829.78x = 35,708.20 × 12,738.04
  4. Step 4: Simplify right side
    23,829.78x = 454,852,479.93
  5. Step 5: Solve for x
    x = 454,852,479.93/23,829.78
  6. Step 6: Final answer
    x = 19,087.57

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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.