Home / 20,524.06-28,327.73-13,341.48

Finding the Fourth Proportional to 20,524.06, 28,327.73 and 13,341.48

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Solution

The fourth proportional to 20,524.06, 28,327.73 and 13,341.48 is: 18,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.06 : 28,327.73 = 13,341.48 : x
  2. Step 2: Convert to fraction form
    20,524.06/28,327.73 = 13,341.48/x
  3. Step 3: Cross multiply
    20,524.06x = 28,327.73 × 13,341.48
  4. Step 4: Simplify right side
    20,524.06x = 377,933,856.70
  5. Step 5: Solve for x
    x = 377,933,856.70/20,524.06
  6. Step 6: Final answer
    x = 18,414.19

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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.