Home / 18,431.84-27,647.74-14,716.66

Finding the Fourth Proportional to 18,431.84, 27,647.74 and 14,716.66

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Solution

The fourth proportional to 18,431.84, 27,647.74 and 14,716.66 is: 22,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.84 : 27,647.74 = 14,716.66 : x
  2. Step 2: Convert to fraction form
    18,431.84/27,647.74 = 14,716.66/x
  3. Step 3: Cross multiply
    18,431.84x = 27,647.74 × 14,716.66
  4. Step 4: Simplify right side
    18,431.84x = 406,882,177.53
  5. Step 5: Solve for x
    x = 406,882,177.53/18,431.84
  6. Step 6: Final answer
    x = 22,074.97

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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.