Home / 18,760.05-28,126.04-6,272.82

Finding the Fourth Proportional to 18,760.05, 28,126.04 and 6,272.82

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Solution

The fourth proportional to 18,760.05, 28,126.04 and 6,272.82 is: 9,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.05 : 28,126.04 = 6,272.82 : x
  2. Step 2: Convert to fraction form
    18,760.05/28,126.04 = 6,272.82/x
  3. Step 3: Cross multiply
    18,760.05x = 28,126.04 × 6,272.82
  4. Step 4: Simplify right side
    18,760.05x = 176,429,554.87
  5. Step 5: Solve for x
    x = 176,429,554.87/18,760.05
  6. Step 6: Final answer
    x = 9,404.54

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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.