Home / 14,662.05-20,236.34-8,374.42

Finding the Fourth Proportional to 14,662.05, 20,236.34 and 8,374.42

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Solution

The fourth proportional to 14,662.05, 20,236.34 and 8,374.42 is: 11,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.05 : 20,236.34 = 8,374.42 : x
  2. Step 2: Convert to fraction form
    14,662.05/20,236.34 = 8,374.42/x
  3. Step 3: Cross multiply
    14,662.05x = 20,236.34 × 8,374.42
  4. Step 4: Simplify right side
    14,662.05x = 169,467,610.42
  5. Step 5: Solve for x
    x = 169,467,610.42/14,662.05
  6. Step 6: Final answer
    x = 11,558.25

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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.