Home / 18,168.84-27,258.39-16,433.82

Finding the Fourth Proportional to 18,168.84, 27,258.39 and 16,433.82

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Solution

The fourth proportional to 18,168.84, 27,258.39 and 16,433.82 is: 24,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.84 : 27,258.39 = 16,433.82 : x
  2. Step 2: Convert to fraction form
    18,168.84/27,258.39 = 16,433.82/x
  3. Step 3: Cross multiply
    18,168.84x = 27,258.39 × 16,433.82
  4. Step 4: Simplify right side
    18,168.84x = 447,959,474.75
  5. Step 5: Solve for x
    x = 447,959,474.75/18,168.84
  6. Step 6: Final answer
    x = 24,655.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.