Home / 20,150.86-30,241.54-14,525.80

Finding the Fourth Proportional to 20,150.86, 30,241.54 and 14,525.80

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Solution

The fourth proportional to 20,150.86, 30,241.54 and 14,525.80 is: 21,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.86 : 30,241.54 = 14,525.80 : x
  2. Step 2: Convert to fraction form
    20,150.86/30,241.54 = 14,525.80/x
  3. Step 3: Cross multiply
    20,150.86x = 30,241.54 × 14,525.80
  4. Step 4: Simplify right side
    20,150.86x = 439,282,561.73
  5. Step 5: Solve for x
    x = 439,282,561.73/20,150.86
  6. Step 6: Final answer
    x = 21,799.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.