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Finding the Fourth Proportional to 14,726.23, 20,321.84 and 8,011.85

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Solution

The fourth proportional to 14,726.23, 20,321.84 and 8,011.85 is: 11,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.23 : 20,321.84 = 8,011.85 : x
  2. Step 2: Convert to fraction form
    14,726.23/20,321.84 = 8,011.85/x
  3. Step 3: Cross multiply
    14,726.23x = 20,321.84 × 8,011.85
  4. Step 4: Simplify right side
    14,726.23x = 162,815,452.22
  5. Step 5: Solve for x
    x = 162,815,452.22/14,726.23
  6. Step 6: Final answer
    x = 11,056.15

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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.