Home / 18,760.74-28,127.12-6,273.38

Finding the Fourth Proportional to 18,760.74, 28,127.12 and 6,273.38

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Solution

The fourth proportional to 18,760.74, 28,127.12 and 6,273.38 is: 9,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.74 : 28,127.12 = 6,273.38 : x
  2. Step 2: Convert to fraction form
    18,760.74/28,127.12 = 6,273.38/x
  3. Step 3: Cross multiply
    18,760.74x = 28,127.12 × 6,273.38
  4. Step 4: Simplify right side
    18,760.74x = 176,452,112.07
  5. Step 5: Solve for x
    x = 176,452,112.07/18,760.74
  6. Step 6: Final answer
    x = 9,405.39

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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.