Home / 19,271.33-28,911.11-8,183.24

Finding the Fourth Proportional to 19,271.33, 28,911.11 and 8,183.24

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Solution

The fourth proportional to 19,271.33, 28,911.11 and 8,183.24 is: 12,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.33 : 28,911.11 = 8,183.24 : x
  2. Step 2: Convert to fraction form
    19,271.33/28,911.11 = 8,183.24/x
  3. Step 3: Cross multiply
    19,271.33x = 28,911.11 × 8,183.24
  4. Step 4: Simplify right side
    19,271.33x = 236,586,366.32
  5. Step 5: Solve for x
    x = 236,586,366.32/19,271.33
  6. Step 6: Final answer
    x = 12,276.60

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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.