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Finding the Fourth Proportional to 14,007.43, 20,984.27 and 9,313.28

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Solution

The fourth proportional to 14,007.43, 20,984.27 and 9,313.28 is: 13,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.43 : 20,984.27 = 9,313.28 : x
  2. Step 2: Convert to fraction form
    14,007.43/20,984.27 = 9,313.28/x
  3. Step 3: Cross multiply
    14,007.43x = 20,984.27 × 9,313.28
  4. Step 4: Simplify right side
    14,007.43x = 195,432,309.31
  5. Step 5: Solve for x
    x = 195,432,309.31/14,007.43
  6. Step 6: Final answer
    x = 13,952.04

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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.