Home / 12,204.96-18,187.20-11,808.48

Finding the Fourth Proportional to 12,204.96, 18,187.20 and 11,808.48

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Solution

The fourth proportional to 12,204.96, 18,187.20 and 11,808.48 is: 17,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.96 : 18,187.20 = 11,808.48 : x
  2. Step 2: Convert to fraction form
    12,204.96/18,187.20 = 11,808.48/x
  3. Step 3: Cross multiply
    12,204.96x = 18,187.20 × 11,808.48
  4. Step 4: Simplify right side
    12,204.96x = 214,763,187.46
  5. Step 5: Solve for x
    x = 214,763,187.46/12,204.96
  6. Step 6: Final answer
    x = 17,596.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.