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Finding the Fourth Proportional to 14,018.22, 20,984.24 and 12,025.32

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Solution

The fourth proportional to 14,018.22, 20,984.24 and 12,025.32 is: 18,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.22 : 20,984.24 = 12,025.32 : x
  2. Step 2: Convert to fraction form
    14,018.22/20,984.24 = 12,025.32/x
  3. Step 3: Cross multiply
    14,018.22x = 20,984.24 × 12,025.32
  4. Step 4: Simplify right side
    14,018.22x = 252,342,200.96
  5. Step 5: Solve for x
    x = 252,342,200.96/14,018.22
  6. Step 6: Final answer
    x = 18,001.02

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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.