Home / 26,175.48-39,235.80-12,830.04

Finding the Fourth Proportional to 26,175.48, 39,235.80 and 12,830.04

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Solution

The fourth proportional to 26,175.48, 39,235.80 and 12,830.04 is: 19,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,175.48 : 39,235.80 = 12,830.04 : x
  2. Step 2: Convert to fraction form
    26,175.48/39,235.80 = 12,830.04/x
  3. Step 3: Cross multiply
    26,175.48x = 39,235.80 × 12,830.04
  4. Step 4: Simplify right side
    26,175.48x = 503,396,883.43
  5. Step 5: Solve for x
    x = 503,396,883.43/26,175.48
  6. Step 6: Final answer
    x = 19,231.62

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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.