Home / 18,817.92-28,224.72-5,670.27

Finding the Fourth Proportional to 18,817.92, 28,224.72 and 5,670.27

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Solution

The fourth proportional to 18,817.92, 28,224.72 and 5,670.27 is: 8,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.92 : 28,224.72 = 5,670.27 : x
  2. Step 2: Convert to fraction form
    18,817.92/28,224.72 = 5,670.27/x
  3. Step 3: Cross multiply
    18,817.92x = 28,224.72 × 5,670.27
  4. Step 4: Simplify right side
    18,817.92x = 160,041,783.07
  5. Step 5: Solve for x
    x = 160,041,783.07/18,817.92
  6. Step 6: Final answer
    x = 8,504.75

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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.