Home / 13,771.73-19,004.61-7,803.24

Finding the Fourth Proportional to 13,771.73, 19,004.61 and 7,803.24

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Solution

The fourth proportional to 13,771.73, 19,004.61 and 7,803.24 is: 10,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.73 : 19,004.61 = 7,803.24 : x
  2. Step 2: Convert to fraction form
    13,771.73/19,004.61 = 7,803.24/x
  3. Step 3: Cross multiply
    13,771.73x = 19,004.61 × 7,803.24
  4. Step 4: Simplify right side
    13,771.73x = 148,297,532.94
  5. Step 5: Solve for x
    x = 148,297,532.94/13,771.73
  6. Step 6: Final answer
    x = 10,768.26

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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.