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Finding the Fourth Proportional to 14,943, 20,626.98 and 11,747.96

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Solution

The fourth proportional to 14,943, 20,626.98 and 11,747.96 is: 16,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943 : 20,626.98 = 11,747.96 : x
  2. Step 2: Convert to fraction form
    14,943/20,626.98 = 11,747.96/x
  3. Step 3: Cross multiply
    14,943x = 20,626.98 × 11,747.96
  4. Step 4: Simplify right side
    14,943x = 242,324,935.96
  5. Step 5: Solve for x
    x = 242,324,935.96/14,943
  6. Step 6: Final answer
    x = 16,216.62

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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.