Home / 18,113.42-27,168.77-6,105.58

Finding the Fourth Proportional to 18,113.42, 27,168.77 and 6,105.58

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Solution

The fourth proportional to 18,113.42, 27,168.77 and 6,105.58 is: 9,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.42 : 27,168.77 = 6,105.58 : x
  2. Step 2: Convert to fraction form
    18,113.42/27,168.77 = 6,105.58/x
  3. Step 3: Cross multiply
    18,113.42x = 27,168.77 × 6,105.58
  4. Step 4: Simplify right side
    18,113.42x = 165,881,011.73
  5. Step 5: Solve for x
    x = 165,881,011.73/18,113.42
  6. Step 6: Final answer
    x = 9,157.91

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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.