Home / 13,048.44-17,998.66-7,739.50

Finding the Fourth Proportional to 13,048.44, 17,998.66 and 7,739.50

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Solution

The fourth proportional to 13,048.44, 17,998.66 and 7,739.50 is: 10,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.44 : 17,998.66 = 7,739.50 : x
  2. Step 2: Convert to fraction form
    13,048.44/17,998.66 = 7,739.50/x
  3. Step 3: Cross multiply
    13,048.44x = 17,998.66 × 7,739.50
  4. Step 4: Simplify right side
    13,048.44x = 139,300,629.07
  5. Step 5: Solve for x
    x = 139,300,629.07/13,048.44
  6. Step 6: Final answer
    x = 10,675.65

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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.