Home / 29,115.07-40,178.96-16,540.27

Finding the Fourth Proportional to 29,115.07, 40,178.96 and 16,540.27

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Solution

The fourth proportional to 29,115.07, 40,178.96 and 16,540.27 is: 22,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.07 : 40,178.96 = 16,540.27 : x
  2. Step 2: Convert to fraction form
    29,115.07/40,178.96 = 16,540.27/x
  3. Step 3: Cross multiply
    29,115.07x = 40,178.96 × 16,540.27
  4. Step 4: Simplify right side
    29,115.07x = 664,570,846.72
  5. Step 5: Solve for x
    x = 664,570,846.72/29,115.07
  6. Step 6: Final answer
    x = 22,825.67

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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.