Home / 18,671.16-25,766.51-10,173.69

Finding the Fourth Proportional to 18,671.16, 25,766.51 and 10,173.69

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Solution

The fourth proportional to 18,671.16, 25,766.51 and 10,173.69 is: 14,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.16 : 25,766.51 = 10,173.69 : x
  2. Step 2: Convert to fraction form
    18,671.16/25,766.51 = 10,173.69/x
  3. Step 3: Cross multiply
    18,671.16x = 25,766.51 × 10,173.69
  4. Step 4: Simplify right side
    18,671.16x = 262,140,434.25
  5. Step 5: Solve for x
    x = 262,140,434.25/18,671.16
  6. Step 6: Final answer
    x = 14,039.86

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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.