Home / 13,224.78-19,831.32-6,199.12

Finding the Fourth Proportional to 13,224.78, 19,831.32 and 6,199.12

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Solution

The fourth proportional to 13,224.78, 19,831.32 and 6,199.12 is: 9,295.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.78 : 19,831.32 = 6,199.12 : x
  2. Step 2: Convert to fraction form
    13,224.78/19,831.32 = 6,199.12/x
  3. Step 3: Cross multiply
    13,224.78x = 19,831.32 × 6,199.12
  4. Step 4: Simplify right side
    13,224.78x = 122,936,720.62
  5. Step 5: Solve for x
    x = 122,936,720.62/13,224.78
  6. Step 6: Final answer
    x = 9,295.94

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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.