Home / 19,216.96-28,836.96-6,905.92

Finding the Fourth Proportional to 19,216.96, 28,836.96 and 6,905.92

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Solution

The fourth proportional to 19,216.96, 28,836.96 and 6,905.92 is: 10,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.96 : 28,836.96 = 6,905.92 : x
  2. Step 2: Convert to fraction form
    19,216.96/28,836.96 = 6,905.92/x
  3. Step 3: Cross multiply
    19,216.96x = 28,836.96 × 6,905.92
  4. Step 4: Simplify right side
    19,216.96x = 199,145,738.80
  5. Step 5: Solve for x
    x = 199,145,738.80/19,216.96
  6. Step 6: Final answer
    x = 10,363.02

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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.