Home / 14,654.04-20,230.74-13,764.66

Finding the Fourth Proportional to 14,654.04, 20,230.74 and 13,764.66

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Solution

The fourth proportional to 14,654.04, 20,230.74 and 13,764.66 is: 19,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.04 : 20,230.74 = 13,764.66 : x
  2. Step 2: Convert to fraction form
    14,654.04/20,230.74 = 13,764.66/x
  3. Step 3: Cross multiply
    14,654.04x = 20,230.74 × 13,764.66
  4. Step 4: Simplify right side
    14,654.04x = 278,469,257.65
  5. Step 5: Solve for x
    x = 278,469,257.65/14,654.04
  6. Step 6: Final answer
    x = 19,002.90

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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.