Home / 20,074.18-27,704.06-11,124.48

Finding the Fourth Proportional to 20,074.18, 27,704.06 and 11,124.48

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Solution

The fourth proportional to 20,074.18, 27,704.06 and 11,124.48 is: 15,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.18 : 27,704.06 = 11,124.48 : x
  2. Step 2: Convert to fraction form
    20,074.18/27,704.06 = 11,124.48/x
  3. Step 3: Cross multiply
    20,074.18x = 27,704.06 × 11,124.48
  4. Step 4: Simplify right side
    20,074.18x = 308,193,261.39
  5. Step 5: Solve for x
    x = 308,193,261.39/20,074.18
  6. Step 6: Final answer
    x = 15,352.72

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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.