Home / 14,851.12-20,493.66-8,135.56

Finding the Fourth Proportional to 14,851.12, 20,493.66 and 8,135.56

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Solution

The fourth proportional to 14,851.12, 20,493.66 and 8,135.56 is: 11,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.12 : 20,493.66 = 8,135.56 : x
  2. Step 2: Convert to fraction form
    14,851.12/20,493.66 = 8,135.56/x
  3. Step 3: Cross multiply
    14,851.12x = 20,493.66 × 8,135.56
  4. Step 4: Simplify right side
    14,851.12x = 166,727,400.55
  5. Step 5: Solve for x
    x = 166,727,400.55/14,851.12
  6. Step 6: Final answer
    x = 11,226.59

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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.