Home / 14,577.44-20,116.89-8,289.81

Finding the Fourth Proportional to 14,577.44, 20,116.89 and 8,289.81

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Solution

The fourth proportional to 14,577.44, 20,116.89 and 8,289.81 is: 11,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.44 : 20,116.89 = 8,289.81 : x
  2. Step 2: Convert to fraction form
    14,577.44/20,116.89 = 8,289.81/x
  3. Step 3: Cross multiply
    14,577.44x = 20,116.89 × 8,289.81
  4. Step 4: Simplify right side
    14,577.44x = 166,765,195.89
  5. Step 5: Solve for x
    x = 166,765,195.89/14,577.44
  6. Step 6: Final answer
    x = 11,439.95

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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.