Home / 12,233.40-18,350.10-11,628.60

Finding the Fourth Proportional to 12,233.40, 18,350.10 and 11,628.60

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Solution

The fourth proportional to 12,233.40, 18,350.10 and 11,628.60 is: 17,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.40 : 18,350.10 = 11,628.60 : x
  2. Step 2: Convert to fraction form
    12,233.40/18,350.10 = 11,628.60/x
  3. Step 3: Cross multiply
    12,233.40x = 18,350.10 × 11,628.60
  4. Step 4: Simplify right side
    12,233.40x = 213,385,972.86
  5. Step 5: Solve for x
    x = 213,385,972.86/12,233.40
  6. Step 6: Final answer
    x = 17,442.90

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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.