Home / 12,831.14-19,247.25-4,065.86

Finding the Fourth Proportional to 12,831.14, 19,247.25 and 4,065.86

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Solution

The fourth proportional to 12,831.14, 19,247.25 and 4,065.86 is: 6,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.14 : 19,247.25 = 4,065.86 : x
  2. Step 2: Convert to fraction form
    12,831.14/19,247.25 = 4,065.86/x
  3. Step 3: Cross multiply
    12,831.14x = 19,247.25 × 4,065.86
  4. Step 4: Simplify right side
    12,831.14x = 78,256,507.32
  5. Step 5: Solve for x
    x = 78,256,507.32/12,831.14
  6. Step 6: Final answer
    x = 6,098.95

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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.