Home / 14,359.65-21,540.68-3,831.27

Finding the Fourth Proportional to 14,359.65, 21,540.68 and 3,831.27

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Solution

The fourth proportional to 14,359.65, 21,540.68 and 3,831.27 is: 5,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.65 : 21,540.68 = 3,831.27 : x
  2. Step 2: Convert to fraction form
    14,359.65/21,540.68 = 3,831.27/x
  3. Step 3: Cross multiply
    14,359.65x = 21,540.68 × 3,831.27
  4. Step 4: Simplify right side
    14,359.65x = 82,528,141.91
  5. Step 5: Solve for x
    x = 82,528,141.91/14,359.65
  6. Step 6: Final answer
    x = 5,747.23

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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.