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Finding the Fourth Proportional to 18,074.37, 24,939.09 and 11,356.11

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Solution

The fourth proportional to 18,074.37, 24,939.09 and 11,356.11 is: 15,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.37 : 24,939.09 = 11,356.11 : x
  2. Step 2: Convert to fraction form
    18,074.37/24,939.09 = 11,356.11/x
  3. Step 3: Cross multiply
    18,074.37x = 24,939.09 × 11,356.11
  4. Step 4: Simplify right side
    18,074.37x = 283,211,070.63
  5. Step 5: Solve for x
    x = 283,211,070.63/18,074.37
  6. Step 6: Final answer
    x = 15,669.21

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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.