Home / 26,559.90-39,791.79-19,124.10

Finding the Fourth Proportional to 26,559.90, 39,791.79 and 19,124.10

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Solution

The fourth proportional to 26,559.90, 39,791.79 and 19,124.10 is: 28,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,559.90 : 39,791.79 = 19,124.10 : x
  2. Step 2: Convert to fraction form
    26,559.90/39,791.79 = 19,124.10/x
  3. Step 3: Cross multiply
    26,559.90x = 39,791.79 × 19,124.10
  4. Step 4: Simplify right side
    26,559.90x = 760,982,171.14
  5. Step 5: Solve for x
    x = 760,982,171.14/26,559.90
  6. Step 6: Final answer
    x = 28,651.55

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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.