Home / 18,831.73-25,987.80-10,448.23

Finding the Fourth Proportional to 18,831.73, 25,987.80 and 10,448.23

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Solution

The fourth proportional to 18,831.73, 25,987.80 and 10,448.23 is: 14,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.73 : 25,987.80 = 10,448.23 : x
  2. Step 2: Convert to fraction form
    18,831.73/25,987.80 = 10,448.23/x
  3. Step 3: Cross multiply
    18,831.73x = 25,987.80 × 10,448.23
  4. Step 4: Simplify right side
    18,831.73x = 271,526,511.59
  5. Step 5: Solve for x
    x = 271,526,511.59/18,831.73
  6. Step 6: Final answer
    x = 14,418.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.