Home / 16,882.25-23,272.79-11,831.20

Finding the Fourth Proportional to 16,882.25, 23,272.79 and 11,831.20

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Solution

The fourth proportional to 16,882.25, 23,272.79 and 11,831.20 is: 16,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,882.25 : 23,272.79 = 11,831.20 : x
  2. Step 2: Convert to fraction form
    16,882.25/23,272.79 = 11,831.20/x
  3. Step 3: Cross multiply
    16,882.25x = 23,272.79 × 11,831.20
  4. Step 4: Simplify right side
    16,882.25x = 275,344,915.71
  5. Step 5: Solve for x
    x = 275,344,915.71/16,882.25
  6. Step 6: Final answer
    x = 16,309.73

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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.