Home / 23,074.88-31,832.20-15,113.60

Finding the Fourth Proportional to 23,074.88, 31,832.20 and 15,113.60

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Solution

The fourth proportional to 23,074.88, 31,832.20 and 15,113.60 is: 20,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,074.88 : 31,832.20 = 15,113.60 : x
  2. Step 2: Convert to fraction form
    23,074.88/31,832.20 = 15,113.60/x
  3. Step 3: Cross multiply
    23,074.88x = 31,832.20 × 15,113.60
  4. Step 4: Simplify right side
    23,074.88x = 481,099,137.92
  5. Step 5: Solve for x
    x = 481,099,137.92/23,074.88
  6. Step 6: Final answer
    x = 20,849.48

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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.