Home / 23,133.75-34,702.32-20,379.48

Finding the Fourth Proportional to 23,133.75, 34,702.32 and 20,379.48

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Solution

The fourth proportional to 23,133.75, 34,702.32 and 20,379.48 is: 30,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.75 : 34,702.32 = 20,379.48 : x
  2. Step 2: Convert to fraction form
    23,133.75/34,702.32 = 20,379.48/x
  3. Step 3: Cross multiply
    23,133.75x = 34,702.32 × 20,379.48
  4. Step 4: Simplify right side
    23,133.75x = 707,215,236.39
  5. Step 5: Solve for x
    x = 707,215,236.39/23,133.75
  6. Step 6: Final answer
    x = 30,570.71

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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.