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Finding the Fourth Proportional to 14,647.62, 21,906.63 and 13,014.66

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Solution

The fourth proportional to 14,647.62, 21,906.63 and 13,014.66 is: 19,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.62 : 21,906.63 = 13,014.66 : x
  2. Step 2: Convert to fraction form
    14,647.62/21,906.63 = 13,014.66/x
  3. Step 3: Cross multiply
    14,647.62x = 21,906.63 × 13,014.66
  4. Step 4: Simplify right side
    14,647.62x = 285,107,341.20
  5. Step 5: Solve for x
    x = 285,107,341.20/14,647.62
  6. Step 6: Final answer
    x = 19,464.41

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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.