Home / 19,942.10-29,957.70-16,661.60

Finding the Fourth Proportional to 19,942.10, 29,957.70 and 16,661.60

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Solution

The fourth proportional to 19,942.10, 29,957.70 and 16,661.60 is: 25,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.10 : 29,957.70 = 16,661.60 : x
  2. Step 2: Convert to fraction form
    19,942.10/29,957.70 = 16,661.60/x
  3. Step 3: Cross multiply
    19,942.10x = 29,957.70 × 16,661.60
  4. Step 4: Simplify right side
    19,942.10x = 499,143,214.32
  5. Step 5: Solve for x
    x = 499,143,214.32/19,942.10
  6. Step 6: Final answer
    x = 25,029.62

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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.