Home / 25,119.12-34,662.87-15,052.80

Finding the Fourth Proportional to 25,119.12, 34,662.87 and 15,052.80

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Solution

The fourth proportional to 25,119.12, 34,662.87 and 15,052.80 is: 20,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,119.12 : 34,662.87 = 15,052.80 : x
  2. Step 2: Convert to fraction form
    25,119.12/34,662.87 = 15,052.80/x
  3. Step 3: Cross multiply
    25,119.12x = 34,662.87 × 15,052.80
  4. Step 4: Simplify right side
    25,119.12x = 521,773,249.54
  5. Step 5: Solve for x
    x = 521,773,249.54/25,119.12
  6. Step 6: Final answer
    x = 20,771.96

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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.