Home / 27,403.72-41,109.70-9,869.44

Finding the Fourth Proportional to 27,403.72, 41,109.70 and 9,869.44

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Solution

The fourth proportional to 27,403.72, 41,109.70 and 9,869.44 is: 14,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,403.72 : 41,109.70 = 9,869.44 : x
  2. Step 2: Convert to fraction form
    27,403.72/41,109.70 = 9,869.44/x
  3. Step 3: Cross multiply
    27,403.72x = 41,109.70 × 9,869.44
  4. Step 4: Simplify right side
    27,403.72x = 405,729,717.57
  5. Step 5: Solve for x
    x = 405,729,717.57/27,403.72
  6. Step 6: Final answer
    x = 14,805.64

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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.