Home / 19,199.20-28,796.90-6,716.92

Finding the Fourth Proportional to 19,199.20, 28,796.90 and 6,716.92

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Solution

The fourth proportional to 19,199.20, 28,796.90 and 6,716.92 is: 10,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.20 : 28,796.90 = 6,716.92 : x
  2. Step 2: Convert to fraction form
    19,199.20/28,796.90 = 6,716.92/x
  3. Step 3: Cross multiply
    19,199.20x = 28,796.90 × 6,716.92
  4. Step 4: Simplify right side
    19,199.20x = 193,426,473.55
  5. Step 5: Solve for x
    x = 193,426,473.55/19,199.20
  6. Step 6: Final answer
    x = 10,074.72

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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.