Home / 15,765.96-23,651.73-5,236.62

Finding the Fourth Proportional to 15,765.96, 23,651.73 and 5,236.62

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Solution

The fourth proportional to 15,765.96, 23,651.73 and 5,236.62 is: 7,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.96 : 23,651.73 = 5,236.62 : x
  2. Step 2: Convert to fraction form
    15,765.96/23,651.73 = 5,236.62/x
  3. Step 3: Cross multiply
    15,765.96x = 23,651.73 × 5,236.62
  4. Step 4: Simplify right side
    15,765.96x = 123,855,122.35
  5. Step 5: Solve for x
    x = 123,855,122.35/15,765.96
  6. Step 6: Final answer
    x = 7,855.86

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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.