Home / 13,774.74-20,650.00-5,460.60

Finding the Fourth Proportional to 13,774.74, 20,650.00 and 5,460.60

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Solution

The fourth proportional to 13,774.74, 20,650.00 and 5,460.60 is: 8,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.74 : 20,650.00 = 5,460.60 : x
  2. Step 2: Convert to fraction form
    13,774.74/20,650.00 = 5,460.60/x
  3. Step 3: Cross multiply
    13,774.74x = 20,650.00 × 5,460.60
  4. Step 4: Simplify right side
    13,774.74x = 112,761,305.74
  5. Step 5: Solve for x
    x = 112,761,305.74/13,774.74
  6. Step 6: Final answer
    x = 8,186.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.