Home / 18,671.85-25,766.78-10,173.87

Finding the Fourth Proportional to 18,671.85, 25,766.78 and 10,173.87

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Solution

The fourth proportional to 18,671.85, 25,766.78 and 10,173.87 is: 14,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.85 : 25,766.78 = 10,173.87 : x
  2. Step 2: Convert to fraction form
    18,671.85/25,766.78 = 10,173.87/x
  3. Step 3: Cross multiply
    18,671.85x = 25,766.78 × 10,173.87
  4. Step 4: Simplify right side
    18,671.85x = 262,147,870.04
  5. Step 5: Solve for x
    x = 262,147,870.04/18,671.85
  6. Step 6: Final answer
    x = 14,039.74

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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.