Home / 13,316.27-19,986.75-6,747.03

Finding the Fourth Proportional to 13,316.27, 19,986.75 and 6,747.03

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Solution

The fourth proportional to 13,316.27, 19,986.75 and 6,747.03 is: 10,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.27 : 19,986.75 = 6,747.03 : x
  2. Step 2: Convert to fraction form
    13,316.27/19,986.75 = 6,747.03/x
  3. Step 3: Cross multiply
    13,316.27x = 19,986.75 × 6,747.03
  4. Step 4: Simplify right side
    13,316.27x = 134,851,201.85
  5. Step 5: Solve for x
    x = 134,851,201.85/13,316.27
  6. Step 6: Final answer
    x = 10,126.80

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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.