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Finding the Fourth Proportional to 14,321.18, 21,472.02 and 9,059.42

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Solution

The fourth proportional to 14,321.18, 21,472.02 and 9,059.42 is: 13,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.18 : 21,472.02 = 9,059.42 : x
  2. Step 2: Convert to fraction form
    14,321.18/21,472.02 = 9,059.42/x
  3. Step 3: Cross multiply
    14,321.18x = 21,472.02 × 9,059.42
  4. Step 4: Simplify right side
    14,321.18x = 194,524,047.43
  5. Step 5: Solve for x
    x = 194,524,047.43/14,321.18
  6. Step 6: Final answer
    x = 13,582.96

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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.