Home / 19,940.18-29,910.26-9,406.73

Finding the Fourth Proportional to 19,940.18, 29,910.26 and 9,406.73

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Solution

The fourth proportional to 19,940.18, 29,910.26 and 9,406.73 is: 14,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.18 : 29,910.26 = 9,406.73 : x
  2. Step 2: Convert to fraction form
    19,940.18/29,910.26 = 9,406.73/x
  3. Step 3: Cross multiply
    19,940.18x = 29,910.26 × 9,406.73
  4. Step 4: Simplify right side
    19,940.18x = 281,357,838.34
  5. Step 5: Solve for x
    x = 281,357,838.34/19,940.18
  6. Step 6: Final answer
    x = 14,110.10

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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.