Home / 23,055.88-31,831.82-18,817.06

Finding the Fourth Proportional to 23,055.88, 31,831.82 and 18,817.06

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Solution

The fourth proportional to 23,055.88, 31,831.82 and 18,817.06 is: 25,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,055.88 : 31,831.82 = 18,817.06 : x
  2. Step 2: Convert to fraction form
    23,055.88/31,831.82 = 18,817.06/x
  3. Step 3: Cross multiply
    23,055.88x = 31,831.82 × 18,817.06
  4. Step 4: Simplify right side
    23,055.88x = 598,981,266.85
  5. Step 5: Solve for x
    x = 598,981,266.85/23,055.88
  6. Step 6: Final answer
    x = 25,979.54

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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.