Home / 18,924.44-28,387.13-5,776.92

Finding the Fourth Proportional to 18,924.44, 28,387.13 and 5,776.92

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Solution

The fourth proportional to 18,924.44, 28,387.13 and 5,776.92 is: 8,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.44 : 28,387.13 = 5,776.92 : x
  2. Step 2: Convert to fraction form
    18,924.44/28,387.13 = 5,776.92/x
  3. Step 3: Cross multiply
    18,924.44x = 28,387.13 × 5,776.92
  4. Step 4: Simplify right side
    18,924.44x = 163,990,150.16
  5. Step 5: Solve for x
    x = 163,990,150.16/18,924.44
  6. Step 6: Final answer
    x = 8,665.52

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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.