Home / 13,242.73-19,867.44-6,221.44

Finding the Fourth Proportional to 13,242.73, 19,867.44 and 6,221.44

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Solution

The fourth proportional to 13,242.73, 19,867.44 and 6,221.44 is: 9,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.73 : 19,867.44 = 6,221.44 : x
  2. Step 2: Convert to fraction form
    13,242.73/19,867.44 = 6,221.44/x
  3. Step 3: Cross multiply
    13,242.73x = 19,867.44 × 6,221.44
  4. Step 4: Simplify right side
    13,242.73x = 123,604,085.91
  5. Step 5: Solve for x
    x = 123,604,085.91/13,242.73
  6. Step 6: Final answer
    x = 9,333.73

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1.5x scale

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.