Home / 23,579.79-35,373.21-7,786.49

Finding the Fourth Proportional to 23,579.79, 35,373.21 and 7,786.49

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Solution

The fourth proportional to 23,579.79, 35,373.21 and 7,786.49 is: 11,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.79 : 35,373.21 = 7,786.49 : x
  2. Step 2: Convert to fraction form
    23,579.79/35,373.21 = 7,786.49/x
  3. Step 3: Cross multiply
    23,579.79x = 35,373.21 × 7,786.49
  4. Step 4: Simplify right side
    23,579.79x = 275,433,145.93
  5. Step 5: Solve for x
    x = 275,433,145.93/23,579.79
  6. Step 6: Final answer
    x = 11,680.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.