Home / 20,193.93-30,296.66-9,811.53

Finding the Fourth Proportional to 20,193.93, 30,296.66 and 9,811.53

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Solution

The fourth proportional to 20,193.93, 30,296.66 and 9,811.53 is: 14,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.93 : 30,296.66 = 9,811.53 : x
  2. Step 2: Convert to fraction form
    20,193.93/30,296.66 = 9,811.53/x
  3. Step 3: Cross multiply
    20,193.93x = 30,296.66 × 9,811.53
  4. Step 4: Simplify right side
    20,193.93x = 297,256,539.43
  5. Step 5: Solve for x
    x = 297,256,539.43/20,193.93
  6. Step 6: Final answer
    x = 14,720.09

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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.