Home / 19,806.08-29,718.90-9,276.83

Finding the Fourth Proportional to 19,806.08, 29,718.90 and 9,276.83

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Solution

The fourth proportional to 19,806.08, 29,718.90 and 9,276.83 is: 13,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.08 : 29,718.90 = 9,276.83 : x
  2. Step 2: Convert to fraction form
    19,806.08/29,718.90 = 9,276.83/x
  3. Step 3: Cross multiply
    19,806.08x = 29,718.90 × 9,276.83
  4. Step 4: Simplify right side
    19,806.08x = 275,697,183.09
  5. Step 5: Solve for x
    x = 275,697,183.09/19,806.08
  6. Step 6: Final answer
    x = 13,919.83

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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.