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Finding the Fourth Proportional to 14,694.63, 20,271.06 and 9,383.85

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Solution

The fourth proportional to 14,694.63, 20,271.06 and 9,383.85 is: 12,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.63 : 20,271.06 = 9,383.85 : x
  2. Step 2: Convert to fraction form
    14,694.63/20,271.06 = 9,383.85/x
  3. Step 3: Cross multiply
    14,694.63x = 20,271.06 × 9,383.85
  4. Step 4: Simplify right side
    14,694.63x = 190,220,586.38
  5. Step 5: Solve for x
    x = 190,220,586.38/14,694.63
  6. Step 6: Final answer
    x = 12,944.90

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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.