Home / 25,868.20-35,704.92-15,261.25

Finding the Fourth Proportional to 25,868.20, 35,704.92 and 15,261.25

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Solution

The fourth proportional to 25,868.20, 35,704.92 and 15,261.25 is: 21,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,868.20 : 35,704.92 = 15,261.25 : x
  2. Step 2: Convert to fraction form
    25,868.20/35,704.92 = 15,261.25/x
  3. Step 3: Cross multiply
    25,868.20x = 35,704.92 × 15,261.25
  4. Step 4: Simplify right side
    25,868.20x = 544,901,710.35
  5. Step 5: Solve for x
    x = 544,901,710.35/25,868.20
  6. Step 6: Final answer
    x = 21,064.54

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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.