Home / 19,965.58-29,959.35-16,831.06

Finding the Fourth Proportional to 19,965.58, 29,959.35 and 16,831.06

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Solution

The fourth proportional to 19,965.58, 29,959.35 and 16,831.06 is: 25,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.58 : 29,959.35 = 16,831.06 : x
  2. Step 2: Convert to fraction form
    19,965.58/29,959.35 = 16,831.06/x
  3. Step 3: Cross multiply
    19,965.58x = 29,959.35 × 16,831.06
  4. Step 4: Simplify right side
    19,965.58x = 504,247,617.41
  5. Step 5: Solve for x
    x = 504,247,617.41/19,965.58
  6. Step 6: Final answer
    x = 25,255.85

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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.