Home / 18,671.88-25,767.27-10,288.38

Finding the Fourth Proportional to 18,671.88, 25,767.27 and 10,288.38

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Solution

The fourth proportional to 18,671.88, 25,767.27 and 10,288.38 is: 14,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.88 : 25,767.27 = 10,288.38 : x
  2. Step 2: Convert to fraction form
    18,671.88/25,767.27 = 10,288.38/x
  3. Step 3: Cross multiply
    18,671.88x = 25,767.27 × 10,288.38
  4. Step 4: Simplify right side
    18,671.88x = 265,103,465.32
  5. Step 5: Solve for x
    x = 265,103,465.32/18,671.88
  6. Step 6: Final answer
    x = 14,198.01

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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.