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Finding the Fourth Proportional to 16.41, 22.58 and 14.76

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Solution

The fourth proportional to 16.41, 22.58 and 14.76 is: 20.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.41 : 22.58 = 14.76 : x
  2. Step 2: Convert to fraction form
    16.41/22.58 = 14.76/x
  3. Step 3: Cross multiply
    16.41x = 22.58 × 14.76
  4. Step 4: Simplify right side
    16.41x = 333.36
  5. Step 5: Solve for x
    x = 333.36/16.41
  6. Step 6: Final answer
    x = 20.32

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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.