Home / 15,057.78-22,568.71-6,172.75

Finding the Fourth Proportional to 15,057.78, 22,568.71 and 6,172.75

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Solution

The fourth proportional to 15,057.78, 22,568.71 and 6,172.75 is: 9,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.78 : 22,568.71 = 6,172.75 : x
  2. Step 2: Convert to fraction form
    15,057.78/22,568.71 = 6,172.75/x
  3. Step 3: Cross multiply
    15,057.78x = 22,568.71 × 6,172.75
  4. Step 4: Simplify right side
    15,057.78x = 139,311,004.65
  5. Step 5: Solve for x
    x = 139,311,004.65/15,057.78
  6. Step 6: Final answer
    x = 9,251.76

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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.