Home / 17,212.91-23,740.42-12,450.71

Finding the Fourth Proportional to 17,212.91, 23,740.42 and 12,450.71

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Solution

The fourth proportional to 17,212.91, 23,740.42 and 12,450.71 is: 17,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.91 : 23,740.42 = 12,450.71 : x
  2. Step 2: Convert to fraction form
    17,212.91/23,740.42 = 12,450.71/x
  3. Step 3: Cross multiply
    17,212.91x = 23,740.42 × 12,450.71
  4. Step 4: Simplify right side
    17,212.91x = 295,585,112.92
  5. Step 5: Solve for x
    x = 295,585,112.92/17,212.91
  6. Step 6: Final answer
    x = 17,172.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.