Home / 20,193.06-30,290.82-6,342.06

Finding the Fourth Proportional to 20,193.06, 30,290.82 and 6,342.06

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Solution

The fourth proportional to 20,193.06, 30,290.82 and 6,342.06 is: 9,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.06 : 30,290.82 = 6,342.06 : x
  2. Step 2: Convert to fraction form
    20,193.06/30,290.82 = 6,342.06/x
  3. Step 3: Cross multiply
    20,193.06x = 30,290.82 × 6,342.06
  4. Step 4: Simplify right side
    20,193.06x = 192,106,197.89
  5. Step 5: Solve for x
    x = 192,106,197.89/20,193.06
  6. Step 6: Final answer
    x = 9,513.48

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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.