Home / 18,196.89-27,294.48-7,105.59

Finding the Fourth Proportional to 18,196.89, 27,294.48 and 7,105.59

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Solution

The fourth proportional to 18,196.89, 27,294.48 and 7,105.59 is: 10,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.89 : 27,294.48 = 7,105.59 : x
  2. Step 2: Convert to fraction form
    18,196.89/27,294.48 = 7,105.59/x
  3. Step 3: Cross multiply
    18,196.89x = 27,294.48 × 7,105.59
  4. Step 4: Simplify right side
    18,196.89x = 193,943,384.14
  5. Step 5: Solve for x
    x = 193,943,384.14/18,196.89
  6. Step 6: Final answer
    x = 10,658.05

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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.