Home / 15,791.43-23,635.71-11,629.80

Finding the Fourth Proportional to 15,791.43, 23,635.71 and 11,629.80

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Solution

The fourth proportional to 15,791.43, 23,635.71 and 11,629.80 is: 17,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.43 : 23,635.71 = 11,629.80 : x
  2. Step 2: Convert to fraction form
    15,791.43/23,635.71 = 11,629.80/x
  3. Step 3: Cross multiply
    15,791.43x = 23,635.71 × 11,629.80
  4. Step 4: Simplify right side
    15,791.43x = 274,878,580.16
  5. Step 5: Solve for x
    x = 274,878,580.16/15,791.43
  6. Step 6: Final answer
    x = 17,406.82

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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.