Home / 12,831.91-19,248.41-4,066.63

Finding the Fourth Proportional to 12,831.91, 19,248.41 and 4,066.63

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Solution

The fourth proportional to 12,831.91, 19,248.41 and 4,066.63 is: 6,100.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.91 : 19,248.41 = 4,066.63 : x
  2. Step 2: Convert to fraction form
    12,831.91/19,248.41 = 4,066.63/x
  3. Step 3: Cross multiply
    12,831.91x = 19,248.41 × 4,066.63
  4. Step 4: Simplify right side
    12,831.91x = 78,276,161.56
  5. Step 5: Solve for x
    x = 78,276,161.56/12,831.91
  6. Step 6: Final answer
    x = 6,100.12

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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.