Home / 13,021.14-17,969.19-7,052.86

Finding the Fourth Proportional to 13,021.14, 17,969.19 and 7,052.86

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Solution

The fourth proportional to 13,021.14, 17,969.19 and 7,052.86 is: 9,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.14 : 17,969.19 = 7,052.86 : x
  2. Step 2: Convert to fraction form
    13,021.14/17,969.19 = 7,052.86/x
  3. Step 3: Cross multiply
    13,021.14x = 17,969.19 × 7,052.86
  4. Step 4: Simplify right side
    13,021.14x = 126,734,181.38
  5. Step 5: Solve for x
    x = 126,734,181.38/13,021.14
  6. Step 6: Final answer
    x = 9,732.96

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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.