Home / 38,072.08-57,115.08-11,775.04

Finding the Fourth Proportional to 38,072.08, 57,115.08 and 11,775.04

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Solution

The fourth proportional to 38,072.08, 57,115.08 and 11,775.04 is: 17,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.08 : 57,115.08 = 11,775.04 : x
  2. Step 2: Convert to fraction form
    38,072.08/57,115.08 = 11,775.04/x
  3. Step 3: Cross multiply
    38,072.08x = 57,115.08 × 11,775.04
  4. Step 4: Simplify right side
    38,072.08x = 672,532,351.60
  5. Step 5: Solve for x
    x = 672,532,351.60/38,072.08
  6. Step 6: Final answer
    x = 17,664.71

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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.