Home / 18,671.33-25,766.20-10,173.81

Finding the Fourth Proportional to 18,671.33, 25,766.20 and 10,173.81

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Solution

The fourth proportional to 18,671.33, 25,766.20 and 10,173.81 is: 14,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.33 : 25,766.20 = 10,173.81 : x
  2. Step 2: Convert to fraction form
    18,671.33/25,766.20 = 10,173.81/x
  3. Step 3: Cross multiply
    18,671.33x = 25,766.20 × 10,173.81
  4. Step 4: Simplify right side
    18,671.33x = 262,140,423.22
  5. Step 5: Solve for x
    x = 262,140,423.22/18,671.33
  6. Step 6: Final answer
    x = 14,039.73

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1.5x scale

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.