Home / 20,537.07-30,786.89-7,202.82

Finding the Fourth Proportional to 20,537.07, 30,786.89 and 7,202.82

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Solution

The fourth proportional to 20,537.07, 30,786.89 and 7,202.82 is: 10,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.07 : 30,786.89 = 7,202.82 : x
  2. Step 2: Convert to fraction form
    20,537.07/30,786.89 = 7,202.82/x
  3. Step 3: Cross multiply
    20,537.07x = 30,786.89 × 7,202.82
  4. Step 4: Simplify right side
    20,537.07x = 221,752,506.47
  5. Step 5: Solve for x
    x = 221,752,506.47/20,537.07
  6. Step 6: Final answer
    x = 10,797.67

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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.