Home / 20,059.10-27,682.58-11,107.59

Finding the Fourth Proportional to 20,059.10, 27,682.58 and 11,107.59

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Solution

The fourth proportional to 20,059.10, 27,682.58 and 11,107.59 is: 15,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.10 : 27,682.58 = 11,107.59 : x
  2. Step 2: Convert to fraction form
    20,059.10/27,682.58 = 11,107.59/x
  3. Step 3: Cross multiply
    20,059.10x = 27,682.58 × 11,107.59
  4. Step 4: Simplify right side
    20,059.10x = 307,486,748.78
  5. Step 5: Solve for x
    x = 307,486,748.78/20,059.10
  6. Step 6: Final answer
    x = 15,329.04

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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.