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Finding the Fourth Proportional to 18,009.18, 24,850.22 and 10,454.31

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Solution

The fourth proportional to 18,009.18, 24,850.22 and 10,454.31 is: 14,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.18 : 24,850.22 = 10,454.31 : x
  2. Step 2: Convert to fraction form
    18,009.18/24,850.22 = 10,454.31/x
  3. Step 3: Cross multiply
    18,009.18x = 24,850.22 × 10,454.31
  4. Step 4: Simplify right side
    18,009.18x = 259,791,903.45
  5. Step 5: Solve for x
    x = 259,791,903.45/18,009.18
  6. Step 6: Final answer
    x = 14,425.53

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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.