Home / 14,635.82-20,190.76-9,327.32

Finding the Fourth Proportional to 14,635.82, 20,190.76 and 9,327.32

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Solution

The fourth proportional to 14,635.82, 20,190.76 and 9,327.32 is: 12,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.82 : 20,190.76 = 9,327.32 : x
  2. Step 2: Convert to fraction form
    14,635.82/20,190.76 = 9,327.32/x
  3. Step 3: Cross multiply
    14,635.82x = 20,190.76 × 9,327.32
  4. Step 4: Simplify right side
    14,635.82x = 188,325,679.56
  5. Step 5: Solve for x
    x = 188,325,679.56/14,635.82
  6. Step 6: Final answer
    x = 12,867.45

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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.