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Finding the Fourth Proportional to 13,874.60, 19,152.96 and 8,846.12

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Solution

The fourth proportional to 13,874.60, 19,152.96 and 8,846.12 is: 12,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.60 : 19,152.96 = 8,846.12 : x
  2. Step 2: Convert to fraction form
    13,874.60/19,152.96 = 8,846.12/x
  3. Step 3: Cross multiply
    13,874.60x = 19,152.96 × 8,846.12
  4. Step 4: Simplify right side
    13,874.60x = 169,429,382.52
  5. Step 5: Solve for x
    x = 169,429,382.52/13,874.60
  6. Step 6: Final answer
    x = 12,211.48

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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.