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Finding the Fourth Proportional to 18,393, 27,523.86 and 15,936.24

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Solution

The fourth proportional to 18,393, 27,523.86 and 15,936.24 is: 23,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393 : 27,523.86 = 15,936.24 : x
  2. Step 2: Convert to fraction form
    18,393/27,523.86 = 15,936.24/x
  3. Step 3: Cross multiply
    18,393x = 27,523.86 × 15,936.24
  4. Step 4: Simplify right side
    18,393x = 438,626,838.69
  5. Step 5: Solve for x
    x = 438,626,838.69/18,393
  6. Step 6: Final answer
    x = 23,847.49

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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.