Home / 15,052.82-20,772.09-8,338.34

Finding the Fourth Proportional to 15,052.82, 20,772.09 and 8,338.34

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Solution

The fourth proportional to 15,052.82, 20,772.09 and 8,338.34 is: 11,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.82 : 20,772.09 = 8,338.34 : x
  2. Step 2: Convert to fraction form
    15,052.82/20,772.09 = 8,338.34/x
  3. Step 3: Cross multiply
    15,052.82x = 20,772.09 × 8,338.34
  4. Step 4: Simplify right side
    15,052.82x = 173,204,748.93
  5. Step 5: Solve for x
    x = 173,204,748.93/15,052.82
  6. Step 6: Final answer
    x = 11,506.47

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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.