Home / 20,060.08-27,682.20-11,107.96

Finding the Fourth Proportional to 20,060.08, 27,682.20 and 11,107.96

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Solution

The fourth proportional to 20,060.08, 27,682.20 and 11,107.96 is: 15,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.08 : 27,682.20 = 11,107.96 : x
  2. Step 2: Convert to fraction form
    20,060.08/27,682.20 = 11,107.96/x
  3. Step 3: Cross multiply
    20,060.08x = 27,682.20 × 11,107.96
  4. Step 4: Simplify right side
    20,060.08x = 307,492,770.31
  5. Step 5: Solve for x
    x = 307,492,770.31/20,060.08
  6. Step 6: Final answer
    x = 15,328.59

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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.