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Finding the Fourth Proportional to 18,354.96, 25,341.12 and 11,650.32

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Solution

The fourth proportional to 18,354.96, 25,341.12 and 11,650.32 is: 16,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.96 : 25,341.12 = 11,650.32 : x
  2. Step 2: Convert to fraction form
    18,354.96/25,341.12 = 11,650.32/x
  3. Step 3: Cross multiply
    18,354.96x = 25,341.12 × 11,650.32
  4. Step 4: Simplify right side
    18,354.96x = 295,232,157.16
  5. Step 5: Solve for x
    x = 295,232,157.16/18,354.96
  6. Step 6: Final answer
    x = 16,084.60

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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.