Home / 20,634.74-30,951.80-5,052.36

Finding the Fourth Proportional to 20,634.74, 30,951.80 and 5,052.36

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Solution

The fourth proportional to 20,634.74, 30,951.80 and 5,052.36 is: 7,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.74 : 30,951.80 = 5,052.36 : x
  2. Step 2: Convert to fraction form
    20,634.74/30,951.80 = 5,052.36/x
  3. Step 3: Cross multiply
    20,634.74x = 30,951.80 × 5,052.36
  4. Step 4: Simplify right side
    20,634.74x = 156,379,636.25
  5. Step 5: Solve for x
    x = 156,379,636.25/20,634.74
  6. Step 6: Final answer
    x = 7,578.46

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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.