Home / 20,068.63-27,692.46-11,113.88

Finding the Fourth Proportional to 20,068.63, 27,692.46 and 11,113.88

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Solution

The fourth proportional to 20,068.63, 27,692.46 and 11,113.88 is: 15,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.63 : 27,692.46 = 11,113.88 : x
  2. Step 2: Convert to fraction form
    20,068.63/27,692.46 = 11,113.88/x
  3. Step 3: Cross multiply
    20,068.63x = 27,692.46 × 11,113.88
  4. Step 4: Simplify right side
    20,068.63x = 307,770,538.88
  5. Step 5: Solve for x
    x = 307,770,538.88/20,068.63
  6. Step 6: Final answer
    x = 15,335.90

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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.