Home / 19,366.20-29,049.30-16,831.80

Finding the Fourth Proportional to 19,366.20, 29,049.30 and 16,831.80

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Solution

The fourth proportional to 19,366.20, 29,049.30 and 16,831.80 is: 25,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366.20 : 29,049.30 = 16,831.80 : x
  2. Step 2: Convert to fraction form
    19,366.20/29,049.30 = 16,831.80/x
  3. Step 3: Cross multiply
    19,366.20x = 29,049.30 × 16,831.80
  4. Step 4: Simplify right side
    19,366.20x = 488,952,007.74
  5. Step 5: Solve for x
    x = 488,952,007.74/19,366.20
  6. Step 6: Final answer
    x = 25,247.70

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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.