Home / 25,619.47-38,441.09-10,831.84

Finding the Fourth Proportional to 25,619.47, 38,441.09 and 10,831.84

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Solution

The fourth proportional to 25,619.47, 38,441.09 and 10,831.84 is: 16,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.47 : 38,441.09 = 10,831.84 : x
  2. Step 2: Convert to fraction form
    25,619.47/38,441.09 = 10,831.84/x
  3. Step 3: Cross multiply
    25,619.47x = 38,441.09 × 10,831.84
  4. Step 4: Simplify right side
    25,619.47x = 416,387,736.31
  5. Step 5: Solve for x
    x = 416,387,736.31/25,619.47
  6. Step 6: Final answer
    x = 16,252.78

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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.