Home / 20,224.96-30,317.85-7,735.38

Finding the Fourth Proportional to 20,224.96, 30,317.85 and 7,735.38

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Solution

The fourth proportional to 20,224.96, 30,317.85 and 7,735.38 is: 11,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.96 : 30,317.85 = 7,735.38 : x
  2. Step 2: Convert to fraction form
    20,224.96/30,317.85 = 7,735.38/x
  3. Step 3: Cross multiply
    20,224.96x = 30,317.85 × 7,735.38
  4. Step 4: Simplify right side
    20,224.96x = 234,520,090.53
  5. Step 5: Solve for x
    x = 234,520,090.53/20,224.96
  6. Step 6: Final answer
    x = 11,595.58

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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.