Home / 14,982.64-20,675.70-8,268.90

Finding the Fourth Proportional to 14,982.64, 20,675.70 and 8,268.90

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Solution

The fourth proportional to 14,982.64, 20,675.70 and 8,268.90 is: 11,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.64 : 20,675.70 = 8,268.90 : x
  2. Step 2: Convert to fraction form
    14,982.64/20,675.70 = 8,268.90/x
  3. Step 3: Cross multiply
    14,982.64x = 20,675.70 × 8,268.90
  4. Step 4: Simplify right side
    14,982.64x = 170,965,295.73
  5. Step 5: Solve for x
    x = 170,965,295.73/14,982.64
  6. Step 6: Final answer
    x = 11,410.89

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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.