Home / 18,724.44-28,088.34-4,873.56

Finding the Fourth Proportional to 18,724.44, 28,088.34 and 4,873.56

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Solution

The fourth proportional to 18,724.44, 28,088.34 and 4,873.56 is: 7,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.44 : 28,088.34 = 4,873.56 : x
  2. Step 2: Convert to fraction form
    18,724.44/28,088.34 = 4,873.56/x
  3. Step 3: Cross multiply
    18,724.44x = 28,088.34 × 4,873.56
  4. Step 4: Simplify right side
    18,724.44x = 136,890,210.29
  5. Step 5: Solve for x
    x = 136,890,210.29/18,724.44
  6. Step 6: Final answer
    x = 7,310.78

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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.