Home / 27,192.63-40,813.55-18,876.57

Finding the Fourth Proportional to 27,192.63, 40,813.55 and 18,876.57

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Solution

The fourth proportional to 27,192.63, 40,813.55 and 18,876.57 is: 28,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.63 : 40,813.55 = 18,876.57 : x
  2. Step 2: Convert to fraction form
    27,192.63/40,813.55 = 18,876.57/x
  3. Step 3: Cross multiply
    27,192.63x = 40,813.55 × 18,876.57
  4. Step 4: Simplify right side
    27,192.63x = 770,419,833.52
  5. Step 5: Solve for x
    x = 770,419,833.52/27,192.63
  6. Step 6: Final answer
    x = 28,331.94

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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.