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Finding the Fourth Proportional to 14,497.66, 20,007.03 and 8,211.34

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Solution

The fourth proportional to 14,497.66, 20,007.03 and 8,211.34 is: 11,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.66 : 20,007.03 = 8,211.34 : x
  2. Step 2: Convert to fraction form
    14,497.66/20,007.03 = 8,211.34/x
  3. Step 3: Cross multiply
    14,497.66x = 20,007.03 × 8,211.34
  4. Step 4: Simplify right side
    14,497.66x = 164,284,525.72
  5. Step 5: Solve for x
    x = 164,284,525.72/14,497.66
  6. Step 6: Final answer
    x = 11,331.80

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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.