Home / 27,885.09-41,818.77-9,160.79

Finding the Fourth Proportional to 27,885.09, 41,818.77 and 9,160.79

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Solution

The fourth proportional to 27,885.09, 41,818.77 and 9,160.79 is: 13,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.09 : 41,818.77 = 9,160.79 : x
  2. Step 2: Convert to fraction form
    27,885.09/41,818.77 = 9,160.79/x
  3. Step 3: Cross multiply
    27,885.09x = 41,818.77 × 9,160.79
  4. Step 4: Simplify right side
    27,885.09x = 383,092,760.93
  5. Step 5: Solve for x
    x = 383,092,760.93/27,885.09
  6. Step 6: Final answer
    x = 13,738.27

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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.