Home / 27,842.79-41,755.26-9,117.75

Finding the Fourth Proportional to 27,842.79, 41,755.26 and 9,117.75

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Solution

The fourth proportional to 27,842.79, 41,755.26 and 9,117.75 is: 13,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.79 : 41,755.26 = 9,117.75 : x
  2. Step 2: Convert to fraction form
    27,842.79/41,755.26 = 9,117.75/x
  3. Step 3: Cross multiply
    27,842.79x = 41,755.26 × 9,117.75
  4. Step 4: Simplify right side
    27,842.79x = 380,714,021.87
  5. Step 5: Solve for x
    x = 380,714,021.87/27,842.79
  6. Step 6: Final answer
    x = 13,673.70

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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.