Home / 22,704.13-34,056.20-7,121.75

Finding the Fourth Proportional to 22,704.13, 34,056.20 and 7,121.75

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Solution

The fourth proportional to 22,704.13, 34,056.20 and 7,121.75 is: 10,682.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.13 : 34,056.20 = 7,121.75 : x
  2. Step 2: Convert to fraction form
    22,704.13/34,056.20 = 7,121.75/x
  3. Step 3: Cross multiply
    22,704.13x = 34,056.20 × 7,121.75
  4. Step 4: Simplify right side
    22,704.13x = 242,539,742.35
  5. Step 5: Solve for x
    x = 242,539,742.35/22,704.13
  6. Step 6: Final answer
    x = 10,682.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.