Home / 18,532.36-27,778.62-8,007.35

Finding the Fourth Proportional to 18,532.36, 27,778.62 and 8,007.35

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Solution

The fourth proportional to 18,532.36, 27,778.62 and 8,007.35 is: 12,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.36 : 27,778.62 = 8,007.35 : x
  2. Step 2: Convert to fraction form
    18,532.36/27,778.62 = 8,007.35/x
  3. Step 3: Cross multiply
    18,532.36x = 27,778.62 × 8,007.35
  4. Step 4: Simplify right side
    18,532.36x = 222,433,132.86
  5. Step 5: Solve for x
    x = 222,433,132.86/18,532.36
  6. Step 6: Final answer
    x = 12,002.42

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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.