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Finding the Fourth Proportional to 14,493.93, 21,740.21 and 8,493.34

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Solution

The fourth proportional to 14,493.93, 21,740.21 and 8,493.34 is: 12,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.93 : 21,740.21 = 8,493.34 : x
  2. Step 2: Convert to fraction form
    14,493.93/21,740.21 = 8,493.34/x
  3. Step 3: Cross multiply
    14,493.93x = 21,740.21 × 8,493.34
  4. Step 4: Simplify right side
    14,493.93x = 184,646,995.20
  5. Step 5: Solve for x
    x = 184,646,995.20/14,493.93
  6. Step 6: Final answer
    x = 12,739.61

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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.