Home / 19,872.44-29,807.76-5,831.92

Finding the Fourth Proportional to 19,872.44, 29,807.76 and 5,831.92

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Solution

The fourth proportional to 19,872.44, 29,807.76 and 5,831.92 is: 8,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872.44 : 29,807.76 = 5,831.92 : x
  2. Step 2: Convert to fraction form
    19,872.44/29,807.76 = 5,831.92/x
  3. Step 3: Cross multiply
    19,872.44x = 29,807.76 × 5,831.92
  4. Step 4: Simplify right side
    19,872.44x = 173,836,471.70
  5. Step 5: Solve for x
    x = 173,836,471.70/19,872.44
  6. Step 6: Final answer
    x = 8,747.62

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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.