Home / 28,519.46-39,338.18-17,181.30

Finding the Fourth Proportional to 28,519.46, 39,338.18 and 17,181.30

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Solution

The fourth proportional to 28,519.46, 39,338.18 and 17,181.30 is: 23,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.46 : 39,338.18 = 17,181.30 : x
  2. Step 2: Convert to fraction form
    28,519.46/39,338.18 = 17,181.30/x
  3. Step 3: Cross multiply
    28,519.46x = 39,338.18 × 17,181.30
  4. Step 4: Simplify right side
    28,519.46x = 675,881,072.03
  5. Step 5: Solve for x
    x = 675,881,072.03/28,519.46
  6. Step 6: Final answer
    x = 23,698.94

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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.