Home / 17,120.75-25,551.50-15,708.83

Finding the Fourth Proportional to 17,120.75, 25,551.50 and 15,708.83

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Solution

The fourth proportional to 17,120.75, 25,551.50 and 15,708.83 is: 23,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.75 : 25,551.50 = 15,708.83 : x
  2. Step 2: Convert to fraction form
    17,120.75/25,551.50 = 15,708.83/x
  3. Step 3: Cross multiply
    17,120.75x = 25,551.50 × 15,708.83
  4. Step 4: Simplify right side
    17,120.75x = 401,383,963.44
  5. Step 5: Solve for x
    x = 401,383,963.44/17,120.75
  6. Step 6: Final answer
    x = 23,444.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.