Home / 20,309.94-30,453.59-6,265.99

Finding the Fourth Proportional to 20,309.94, 30,453.59 and 6,265.99

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Solution

The fourth proportional to 20,309.94, 30,453.59 and 6,265.99 is: 9,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309.94 : 30,453.59 = 6,265.99 : x
  2. Step 2: Convert to fraction form
    20,309.94/30,453.59 = 6,265.99/x
  3. Step 3: Cross multiply
    20,309.94x = 30,453.59 × 6,265.99
  4. Step 4: Simplify right side
    20,309.94x = 190,821,738.14
  5. Step 5: Solve for x
    x = 190,821,738.14/20,309.94
  6. Step 6: Final answer
    x = 9,395.49

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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.