Home / 14,168.66-21,234.53-8,829.64

Finding the Fourth Proportional to 14,168.66, 21,234.53 and 8,829.64

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Solution

The fourth proportional to 14,168.66, 21,234.53 and 8,829.64 is: 13,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.66 : 21,234.53 = 8,829.64 : x
  2. Step 2: Convert to fraction form
    14,168.66/21,234.53 = 8,829.64/x
  3. Step 3: Cross multiply
    14,168.66x = 21,234.53 × 8,829.64
  4. Step 4: Simplify right side
    14,168.66x = 187,493,304.09
  5. Step 5: Solve for x
    x = 187,493,304.09/14,168.66
  6. Step 6: Final answer
    x = 13,232.96

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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.