Home / 18,840.72-25,963.20-17,028.48

Finding the Fourth Proportional to 18,840.72, 25,963.20 and 17,028.48

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Solution

The fourth proportional to 18,840.72, 25,963.20 and 17,028.48 is: 23,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.72 : 25,963.20 = 17,028.48 : x
  2. Step 2: Convert to fraction form
    18,840.72/25,963.20 = 17,028.48/x
  3. Step 3: Cross multiply
    18,840.72x = 25,963.20 × 17,028.48
  4. Step 4: Simplify right side
    18,840.72x = 442,113,831.94
  5. Step 5: Solve for x
    x = 442,113,831.94/18,840.72
  6. Step 6: Final answer
    x = 23,465.87

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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.