Home / 14,982.96-20,675.52-8,268.64

Finding the Fourth Proportional to 14,982.96, 20,675.52 and 8,268.64

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Solution

The fourth proportional to 14,982.96, 20,675.52 and 8,268.64 is: 11,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.96 : 20,675.52 = 8,268.64 : x
  2. Step 2: Convert to fraction form
    14,982.96/20,675.52 = 8,268.64/x
  3. Step 3: Cross multiply
    14,982.96x = 20,675.52 × 8,268.64
  4. Step 4: Simplify right side
    14,982.96x = 170,958,431.69
  5. Step 5: Solve for x
    x = 170,958,431.69/14,982.96
  6. Step 6: Final answer
    x = 11,410.19

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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.