Home / 14,840.20-20,481.13-8,468.37

Finding the Fourth Proportional to 14,840.20, 20,481.13 and 8,468.37

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Solution

The fourth proportional to 14,840.20, 20,481.13 and 8,468.37 is: 11,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.20 : 20,481.13 = 8,468.37 : x
  2. Step 2: Convert to fraction form
    14,840.20/20,481.13 = 8,468.37/x
  3. Step 3: Cross multiply
    14,840.20x = 20,481.13 × 8,468.37
  4. Step 4: Simplify right side
    14,840.20x = 173,441,642.11
  5. Step 5: Solve for x
    x = 173,441,642.11/14,840.20
  6. Step 6: Final answer
    x = 11,687.29

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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.