Home / 20,196.33-30,294.72-7,048.75

Finding the Fourth Proportional to 20,196.33, 30,294.72 and 7,048.75

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Solution

The fourth proportional to 20,196.33, 30,294.72 and 7,048.75 is: 10,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.33 : 30,294.72 = 7,048.75 : x
  2. Step 2: Convert to fraction form
    20,196.33/30,294.72 = 7,048.75/x
  3. Step 3: Cross multiply
    20,196.33x = 30,294.72 × 7,048.75
  4. Step 4: Simplify right side
    20,196.33x = 213,539,872.36
  5. Step 5: Solve for x
    x = 213,539,872.36/20,196.33
  6. Step 6: Final answer
    x = 10,573.20

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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.