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Finding the Fourth Proportional to 19.46, 26.84 and 14.00

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Solution

The fourth proportional to 19.46, 26.84 and 14.00 is: 19.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.46 : 26.84 = 14.00 : x
  2. Step 2: Convert to fraction form
    19.46/26.84 = 14.00/x
  3. Step 3: Cross multiply
    19.46x = 26.84 × 14.00
  4. Step 4: Simplify right side
    19.46x = 375.66
  5. Step 5: Solve for x
    x = 375.66/19.46
  6. Step 6: Final answer
    x = 19.30

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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.