Home / 20,195.57-30,299.54-10,341.82

Finding the Fourth Proportional to 20,195.57, 30,299.54 and 10,341.82

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Solution

The fourth proportional to 20,195.57, 30,299.54 and 10,341.82 is: 15,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.57 : 30,299.54 = 10,341.82 : x
  2. Step 2: Convert to fraction form
    20,195.57/30,299.54 = 10,341.82/x
  3. Step 3: Cross multiply
    20,195.57x = 30,299.54 × 10,341.82
  4. Step 4: Simplify right side
    20,195.57x = 313,352,388.76
  5. Step 5: Solve for x
    x = 313,352,388.76/20,195.57
  6. Step 6: Final answer
    x = 15,515.90

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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.