Home / 20,201.99-30,307.58-6,163.28

Finding the Fourth Proportional to 20,201.99, 30,307.58 and 6,163.28

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Solution

The fourth proportional to 20,201.99, 30,307.58 and 6,163.28 is: 9,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.99 : 30,307.58 = 6,163.28 : x
  2. Step 2: Convert to fraction form
    20,201.99/30,307.58 = 6,163.28/x
  3. Step 3: Cross multiply
    20,201.99x = 30,307.58 × 6,163.28
  4. Step 4: Simplify right side
    20,201.99x = 186,793,919.31
  5. Step 5: Solve for x
    x = 186,793,919.31/20,201.99
  6. Step 6: Final answer
    x = 9,246.32

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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.