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Finding the Fourth Proportional to 14.86, 22.35 and 14.66

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Solution

The fourth proportional to 14.86, 22.35 and 14.66 is: 22.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.86 : 22.35 = 14.66 : x
  2. Step 2: Convert to fraction form
    14.86/22.35 = 14.66/x
  3. Step 3: Cross multiply
    14.86x = 22.35 × 14.66
  4. Step 4: Simplify right side
    14.86x = 327.65
  5. Step 5: Solve for x
    x = 327.65/14.86
  6. Step 6: Final answer
    x = 22.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.