Home / 15,066.21-20,791.89-9,096.69

Finding the Fourth Proportional to 15,066.21, 20,791.89 and 9,096.69

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Solution

The fourth proportional to 15,066.21, 20,791.89 and 9,096.69 is: 12,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.21 : 20,791.89 = 9,096.69 : x
  2. Step 2: Convert to fraction form
    15,066.21/20,791.89 = 9,096.69/x
  3. Step 3: Cross multiply
    15,066.21x = 20,791.89 × 9,096.69
  4. Step 4: Simplify right side
    15,066.21x = 189,137,377.84
  5. Step 5: Solve for x
    x = 189,137,377.84/15,066.21
  6. Step 6: Final answer
    x = 12,553.75

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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.