Home / 24,231.28-33,438.68-13,620.80

Finding the Fourth Proportional to 24,231.28, 33,438.68 and 13,620.80

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Solution

The fourth proportional to 24,231.28, 33,438.68 and 13,620.80 is: 18,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,231.28 : 33,438.68 = 13,620.80 : x
  2. Step 2: Convert to fraction form
    24,231.28/33,438.68 = 13,620.80/x
  3. Step 3: Cross multiply
    24,231.28x = 33,438.68 × 13,620.80
  4. Step 4: Simplify right side
    24,231.28x = 455,461,572.54
  5. Step 5: Solve for x
    x = 455,461,572.54/24,231.28
  6. Step 6: Final answer
    x = 18,796.43

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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.