Home / 25,912.20-35,739.90-16,945.32

Finding the Fourth Proportional to 25,912.20, 35,739.90 and 16,945.32

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Solution

The fourth proportional to 25,912.20, 35,739.90 and 16,945.32 is: 23,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.20 : 35,739.90 = 16,945.32 : x
  2. Step 2: Convert to fraction form
    25,912.20/35,739.90 = 16,945.32/x
  3. Step 3: Cross multiply
    25,912.20x = 35,739.90 × 16,945.32
  4. Step 4: Simplify right side
    25,912.20x = 605,624,042.27
  5. Step 5: Solve for x
    x = 605,624,042.27/25,912.20
  6. Step 6: Final answer
    x = 23,372.16

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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.