Home / 13,049.08-17,998.14-7,739.80

Finding the Fourth Proportional to 13,049.08, 17,998.14 and 7,739.80

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Solution

The fourth proportional to 13,049.08, 17,998.14 and 7,739.80 is: 10,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.08 : 17,998.14 = 7,739.80 : x
  2. Step 2: Convert to fraction form
    13,049.08/17,998.14 = 7,739.80/x
  3. Step 3: Cross multiply
    13,049.08x = 17,998.14 × 7,739.80
  4. Step 4: Simplify right side
    13,049.08x = 139,302,003.97
  5. Step 5: Solve for x
    x = 139,302,003.97/13,049.08
  6. Step 6: Final answer
    x = 10,675.24

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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.