Home / 16,968.46-25,448.62-5,119.78

Finding the Fourth Proportional to 16,968.46, 25,448.62 and 5,119.78

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Solution

The fourth proportional to 16,968.46, 25,448.62 and 5,119.78 is: 7,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.46 : 25,448.62 = 5,119.78 : x
  2. Step 2: Convert to fraction form
    16,968.46/25,448.62 = 5,119.78/x
  3. Step 3: Cross multiply
    16,968.46x = 25,448.62 × 5,119.78
  4. Step 4: Simplify right side
    16,968.46x = 130,291,335.70
  5. Step 5: Solve for x
    x = 130,291,335.70/16,968.46
  6. Step 6: Final answer
    x = 7,678.44

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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.