Home / 19,736.60-27,223.90-11,774.30

Finding the Fourth Proportional to 19,736.60, 27,223.90 and 11,774.30

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Solution

The fourth proportional to 19,736.60, 27,223.90 and 11,774.30 is: 16,241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.60 : 27,223.90 = 11,774.30 : x
  2. Step 2: Convert to fraction form
    19,736.60/27,223.90 = 11,774.30/x
  3. Step 3: Cross multiply
    19,736.60x = 27,223.90 × 11,774.30
  4. Step 4: Simplify right side
    19,736.60x = 320,542,200.21
  5. Step 5: Solve for x
    x = 320,542,200.21/19,736.60
  6. Step 6: Final answer
    x = 16,241.01

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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.