Home / 22,090.33-30,442.67-15,791.77

Finding the Fourth Proportional to 22,090.33, 30,442.67 and 15,791.77

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Solution

The fourth proportional to 22,090.33, 30,442.67 and 15,791.77 is: 21,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.33 : 30,442.67 = 15,791.77 : x
  2. Step 2: Convert to fraction form
    22,090.33/30,442.67 = 15,791.77/x
  3. Step 3: Cross multiply
    22,090.33x = 30,442.67 × 15,791.77
  4. Step 4: Simplify right side
    22,090.33x = 480,743,563.87
  5. Step 5: Solve for x
    x = 480,743,563.87/22,090.33
  6. Step 6: Final answer
    x = 21,762.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.