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Finding the Fourth Proportional to 14,671.64, 20,229.81 and 10,694.54

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Solution

The fourth proportional to 14,671.64, 20,229.81 and 10,694.54 is: 14,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.64 : 20,229.81 = 10,694.54 : x
  2. Step 2: Convert to fraction form
    14,671.64/20,229.81 = 10,694.54/x
  3. Step 3: Cross multiply
    14,671.64x = 20,229.81 × 10,694.54
  4. Step 4: Simplify right side
    14,671.64x = 216,348,512.24
  5. Step 5: Solve for x
    x = 216,348,512.24/14,671.64
  6. Step 6: Final answer
    x = 14,746.03

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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.