Home / 18,766.48-28,157.16-7,083.04

Finding the Fourth Proportional to 18,766.48, 28,157.16 and 7,083.04

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Solution

The fourth proportional to 18,766.48, 28,157.16 and 7,083.04 is: 10,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.48 : 28,157.16 = 7,083.04 : x
  2. Step 2: Convert to fraction form
    18,766.48/28,157.16 = 7,083.04/x
  3. Step 3: Cross multiply
    18,766.48x = 28,157.16 × 7,083.04
  4. Step 4: Simplify right side
    18,766.48x = 199,438,290.57
  5. Step 5: Solve for x
    x = 199,438,290.57/18,766.48
  6. Step 6: Final answer
    x = 10,627.37

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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.