Home / 23,149.56-34,728.66-7,578.12

Finding the Fourth Proportional to 23,149.56, 34,728.66 and 7,578.12

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Solution

The fourth proportional to 23,149.56, 34,728.66 and 7,578.12 is: 11,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.56 : 34,728.66 = 7,578.12 : x
  2. Step 2: Convert to fraction form
    23,149.56/34,728.66 = 7,578.12/x
  3. Step 3: Cross multiply
    23,149.56x = 34,728.66 × 7,578.12
  4. Step 4: Simplify right side
    23,149.56x = 263,177,952.92
  5. Step 5: Solve for x
    x = 263,177,952.92/23,149.56
  6. Step 6: Final answer
    x = 11,368.59

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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.