Home / 28,969.46-43,453.38-9,249.20

Finding the Fourth Proportional to 28,969.46, 43,453.38 and 9,249.20

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Solution

The fourth proportional to 28,969.46, 43,453.38 and 9,249.20 is: 13,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.46 : 43,453.38 = 9,249.20 : x
  2. Step 2: Convert to fraction form
    28,969.46/43,453.38 = 9,249.20/x
  3. Step 3: Cross multiply
    28,969.46x = 43,453.38 × 9,249.20
  4. Step 4: Simplify right side
    28,969.46x = 401,909,002.30
  5. Step 5: Solve for x
    x = 401,909,002.30/28,969.46
  6. Step 6: Final answer
    x = 13,873.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.