Home / 12,364.20-18,456.35-11,450.52

Finding the Fourth Proportional to 12,364.20, 18,456.35 and 11,450.52

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Solution

The fourth proportional to 12,364.20, 18,456.35 and 11,450.52 is: 17,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.20 : 18,456.35 = 11,450.52 : x
  2. Step 2: Convert to fraction form
    12,364.20/18,456.35 = 11,450.52/x
  3. Step 3: Cross multiply
    12,364.20x = 18,456.35 × 11,450.52
  4. Step 4: Simplify right side
    12,364.20x = 211,334,804.80
  5. Step 5: Solve for x
    x = 211,334,804.80/12,364.20
  6. Step 6: Final answer
    x = 17,092.48

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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.