Home / 18,671.40-25,766.42-10,174.02

Finding the Fourth Proportional to 18,671.40, 25,766.42 and 10,174.02

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Solution

The fourth proportional to 18,671.40, 25,766.42 and 10,174.02 is: 14,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.40 : 25,766.42 = 10,174.02 : x
  2. Step 2: Convert to fraction form
    18,671.40/25,766.42 = 10,174.02/x
  3. Step 3: Cross multiply
    18,671.40x = 25,766.42 × 10,174.02
  4. Step 4: Simplify right side
    18,671.40x = 262,148,021.54
  5. Step 5: Solve for x
    x = 262,148,021.54/18,671.40
  6. Step 6: Final answer
    x = 14,040.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.