Home / 18,072.04-27,108.06-7,676.52

Finding the Fourth Proportional to 18,072.04, 27,108.06 and 7,676.52

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Solution

The fourth proportional to 18,072.04, 27,108.06 and 7,676.52 is: 11,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.04 : 27,108.06 = 7,676.52 : x
  2. Step 2: Convert to fraction form
    18,072.04/27,108.06 = 7,676.52/x
  3. Step 3: Cross multiply
    18,072.04x = 27,108.06 × 7,676.52
  4. Step 4: Simplify right side
    18,072.04x = 208,095,564.75
  5. Step 5: Solve for x
    x = 208,095,564.75/18,072.04
  6. Step 6: Final answer
    x = 11,514.78

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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.