Home / 20,060.10-27,683.16-11,107.77

Finding the Fourth Proportional to 20,060.10, 27,683.16 and 11,107.77

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Solution

The fourth proportional to 20,060.10, 27,683.16 and 11,107.77 is: 15,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.10 : 27,683.16 = 11,107.77 : x
  2. Step 2: Convert to fraction form
    20,060.10/27,683.16 = 11,107.77/x
  3. Step 3: Cross multiply
    20,060.10x = 27,683.16 × 11,107.77
  4. Step 4: Simplify right side
    20,060.10x = 307,498,174.15
  5. Step 5: Solve for x
    x = 307,498,174.15/20,060.10
  6. Step 6: Final answer
    x = 15,328.85

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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.