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Finding the Fourth Proportional to 14,918.77, 20,591.05 and 9,464.30

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Solution

The fourth proportional to 14,918.77, 20,591.05 and 9,464.30 is: 13,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.77 : 20,591.05 = 9,464.30 : x
  2. Step 2: Convert to fraction form
    14,918.77/20,591.05 = 9,464.30/x
  3. Step 3: Cross multiply
    14,918.77x = 20,591.05 × 9,464.30
  4. Step 4: Simplify right side
    14,918.77x = 194,879,850.85
  5. Step 5: Solve for x
    x = 194,879,850.85/14,918.77
  6. Step 6: Final answer
    x = 13,062.73

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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.