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Finding the Fourth Proportional to 17,373.50, 23,975.19 and 9,415.65

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Solution

The fourth proportional to 17,373.50, 23,975.19 and 9,415.65 is: 12,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,373.50 : 23,975.19 = 9,415.65 : x
  2. Step 2: Convert to fraction form
    17,373.50/23,975.19 = 9,415.65/x
  3. Step 3: Cross multiply
    17,373.50x = 23,975.19 × 9,415.65
  4. Step 4: Simplify right side
    17,373.50x = 225,741,997.72
  5. Step 5: Solve for x
    x = 225,741,997.72/17,373.50
  6. Step 6: Final answer
    x = 12,993.47

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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.