Home / 18,255.94-25,197.10-11,537.28

Finding the Fourth Proportional to 18,255.94, 25,197.10 and 11,537.28

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Solution

The fourth proportional to 18,255.94, 25,197.10 and 11,537.28 is: 15,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.94 : 25,197.10 = 11,537.28 : x
  2. Step 2: Convert to fraction form
    18,255.94/25,197.10 = 11,537.28/x
  3. Step 3: Cross multiply
    18,255.94x = 25,197.10 × 11,537.28
  4. Step 4: Simplify right side
    18,255.94x = 290,705,997.89
  5. Step 5: Solve for x
    x = 290,705,997.89/18,255.94
  6. Step 6: Final answer
    x = 15,923.91

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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.