Home / 20,058.85-27,682.23-11,107.34

Finding the Fourth Proportional to 20,058.85, 27,682.23 and 11,107.34

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Solution

The fourth proportional to 20,058.85, 27,682.23 and 11,107.34 is: 15,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.85 : 27,682.23 = 11,107.34 : x
  2. Step 2: Convert to fraction form
    20,058.85/27,682.23 = 11,107.34/x
  3. Step 3: Cross multiply
    20,058.85x = 27,682.23 × 11,107.34
  4. Step 4: Simplify right side
    20,058.85x = 307,475,940.57
  5. Step 5: Solve for x
    x = 307,475,940.57/20,058.85
  6. Step 6: Final answer
    x = 15,328.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.