Home / 19,440.75-26,831.48-14,716.83

Finding the Fourth Proportional to 19,440.75, 26,831.48 and 14,716.83

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Solution

The fourth proportional to 19,440.75, 26,831.48 and 14,716.83 is: 20,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.75 : 26,831.48 = 14,716.83 : x
  2. Step 2: Convert to fraction form
    19,440.75/26,831.48 = 14,716.83/x
  3. Step 3: Cross multiply
    19,440.75x = 26,831.48 × 14,716.83
  4. Step 4: Simplify right side
    19,440.75x = 394,874,256.22
  5. Step 5: Solve for x
    x = 394,874,256.22/19,440.75
  6. Step 6: Final answer
    x = 20,311.68

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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.