Home / 13,766.24-20,741.92-12,451.48

Finding the Fourth Proportional to 13,766.24, 20,741.92 and 12,451.48

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Solution

The fourth proportional to 13,766.24, 20,741.92 and 12,451.48 is: 18,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.24 : 20,741.92 = 12,451.48 : x
  2. Step 2: Convert to fraction form
    13,766.24/20,741.92 = 12,451.48/x
  3. Step 3: Cross multiply
    13,766.24x = 20,741.92 × 12,451.48
  4. Step 4: Simplify right side
    13,766.24x = 258,267,519.06
  5. Step 5: Solve for x
    x = 258,267,519.06/13,766.24
  6. Step 6: Final answer
    x = 18,760.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.