Home / 25,669.26-38,571.57-13,831.83

Finding the Fourth Proportional to 25,669.26, 38,571.57 and 13,831.83

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Solution

The fourth proportional to 25,669.26, 38,571.57 and 13,831.83 is: 20,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.26 : 38,571.57 = 13,831.83 : x
  2. Step 2: Convert to fraction form
    25,669.26/38,571.57 = 13,831.83/x
  3. Step 3: Cross multiply
    25,669.26x = 38,571.57 × 13,831.83
  4. Step 4: Simplify right side
    25,669.26x = 533,515,399.07
  5. Step 5: Solve for x
    x = 533,515,399.07/25,669.26
  6. Step 6: Final answer
    x = 20,784.21

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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.