Home / 22,757.21-31,405.01-13,198.94

Finding the Fourth Proportional to 22,757.21, 31,405.01 and 13,198.94

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Solution

The fourth proportional to 22,757.21, 31,405.01 and 13,198.94 is: 18,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,757.21 : 31,405.01 = 13,198.94 : x
  2. Step 2: Convert to fraction form
    22,757.21/31,405.01 = 13,198.94/x
  3. Step 3: Cross multiply
    22,757.21x = 31,405.01 × 13,198.94
  4. Step 4: Simplify right side
    22,757.21x = 414,512,842.69
  5. Step 5: Solve for x
    x = 414,512,842.69/22,757.21
  6. Step 6: Final answer
    x = 18,214.57

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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.