Home / 16,831.74-23,227.97-9,278.36

Finding the Fourth Proportional to 16,831.74, 23,227.97 and 9,278.36

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Solution

The fourth proportional to 16,831.74, 23,227.97 and 9,278.36 is: 12,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.74 : 23,227.97 = 9,278.36 : x
  2. Step 2: Convert to fraction form
    16,831.74/23,227.97 = 9,278.36/x
  3. Step 3: Cross multiply
    16,831.74x = 23,227.97 × 9,278.36
  4. Step 4: Simplify right side
    16,831.74x = 215,517,305.20
  5. Step 5: Solve for x
    x = 215,517,305.20/16,831.74
  6. Step 6: Final answer
    x = 12,804.22

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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.