Home / 20,073.09-27,698.22-11,575.53

Finding the Fourth Proportional to 20,073.09, 27,698.22 and 11,575.53

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Solution

The fourth proportional to 20,073.09, 27,698.22 and 11,575.53 is: 15,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.09 : 27,698.22 = 11,575.53 : x
  2. Step 2: Convert to fraction form
    20,073.09/27,698.22 = 11,575.53/x
  3. Step 3: Cross multiply
    20,073.09x = 27,698.22 × 11,575.53
  4. Step 4: Simplify right side
    20,073.09x = 320,621,576.56
  5. Step 5: Solve for x
    x = 320,621,576.56/20,073.09
  6. Step 6: Final answer
    x = 15,972.71

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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.