Home / 25,114.54-34,660.19-13,785.95

Finding the Fourth Proportional to 25,114.54, 34,660.19 and 13,785.95

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Solution

The fourth proportional to 25,114.54, 34,660.19 and 13,785.95 is: 19,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,114.54 : 34,660.19 = 13,785.95 : x
  2. Step 2: Convert to fraction form
    25,114.54/34,660.19 = 13,785.95/x
  3. Step 3: Cross multiply
    25,114.54x = 34,660.19 × 13,785.95
  4. Step 4: Simplify right side
    25,114.54x = 477,823,664.05
  5. Step 5: Solve for x
    x = 477,823,664.05/25,114.54
  6. Step 6: Final answer
    x = 19,025.78

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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.