Home / 20,020.76-27,629.68-11,524.16

Finding the Fourth Proportional to 20,020.76, 27,629.68 and 11,524.16

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Solution

The fourth proportional to 20,020.76, 27,629.68 and 11,524.16 is: 15,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.76 : 27,629.68 = 11,524.16 : x
  2. Step 2: Convert to fraction form
    20,020.76/27,629.68 = 11,524.16/x
  3. Step 3: Cross multiply
    20,020.76x = 27,629.68 × 11,524.16
  4. Step 4: Simplify right side
    20,020.76x = 318,408,853.07
  5. Step 5: Solve for x
    x = 318,408,853.07/20,020.76
  6. Step 6: Final answer
    x = 15,903.93

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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.