Home / 19,968.37-29,942.51-12,370.37

Finding the Fourth Proportional to 19,968.37, 29,942.51 and 12,370.37

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Solution

The fourth proportional to 19,968.37, 29,942.51 and 12,370.37 is: 18,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.37 : 29,942.51 = 12,370.37 : x
  2. Step 2: Convert to fraction form
    19,968.37/29,942.51 = 12,370.37/x
  3. Step 3: Cross multiply
    19,968.37x = 29,942.51 × 12,370.37
  4. Step 4: Simplify right side
    19,968.37x = 370,399,953.87
  5. Step 5: Solve for x
    x = 370,399,953.87/19,968.37
  6. Step 6: Final answer
    x = 18,549.33

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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.