Home / 13,182.80-18,200.76-11,764.05

Finding the Fourth Proportional to 13,182.80, 18,200.76 and 11,764.05

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Solution

The fourth proportional to 13,182.80, 18,200.76 and 11,764.05 is: 16,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.80 : 18,200.76 = 11,764.05 : x
  2. Step 2: Convert to fraction form
    13,182.80/18,200.76 = 11,764.05/x
  3. Step 3: Cross multiply
    13,182.80x = 18,200.76 × 11,764.05
  4. Step 4: Simplify right side
    13,182.80x = 214,114,684.80
  5. Step 5: Solve for x
    x = 214,114,684.80/13,182.80
  6. Step 6: Final answer
    x = 16,241.97

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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.