Home / 26,623.86-39,945.20-11,831.43

Finding the Fourth Proportional to 26,623.86, 39,945.20 and 11,831.43

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Solution

The fourth proportional to 26,623.86, 39,945.20 and 11,831.43 is: 17,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,623.86 : 39,945.20 = 11,831.43 : x
  2. Step 2: Convert to fraction form
    26,623.86/39,945.20 = 11,831.43/x
  3. Step 3: Cross multiply
    26,623.86x = 39,945.20 × 11,831.43
  4. Step 4: Simplify right side
    26,623.86x = 472,608,778.48
  5. Step 5: Solve for x
    x = 472,608,778.48/26,623.86
  6. Step 6: Final answer
    x = 17,751.32

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1.5x scale

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.