Home / 13,764.16-18,995.60-7,796.73

Finding the Fourth Proportional to 13,764.16, 18,995.60 and 7,796.73

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Solution

The fourth proportional to 13,764.16, 18,995.60 and 7,796.73 is: 10,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.16 : 18,995.60 = 7,796.73 : x
  2. Step 2: Convert to fraction form
    13,764.16/18,995.60 = 7,796.73/x
  3. Step 3: Cross multiply
    13,764.16x = 18,995.60 × 7,796.73
  4. Step 4: Simplify right side
    13,764.16x = 148,103,564.39
  5. Step 5: Solve for x
    x = 148,103,564.39/13,764.16
  6. Step 6: Final answer
    x = 10,760.09

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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.