Home / 27,730.19-41,555.50-11,930.94

Finding the Fourth Proportional to 27,730.19, 41,555.50 and 11,930.94

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Solution

The fourth proportional to 27,730.19, 41,555.50 and 11,930.94 is: 17,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.19 : 41,555.50 = 11,930.94 : x
  2. Step 2: Convert to fraction form
    27,730.19/41,555.50 = 11,930.94/x
  3. Step 3: Cross multiply
    27,730.19x = 41,555.50 × 11,930.94
  4. Step 4: Simplify right side
    27,730.19x = 495,796,147.34
  5. Step 5: Solve for x
    x = 495,796,147.34/27,730.19
  6. Step 6: Final answer
    x = 17,879.29

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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.