Home / 19,010.57-28,519.10-5,860.49

Finding the Fourth Proportional to 19,010.57, 28,519.10 and 5,860.49

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Solution

The fourth proportional to 19,010.57, 28,519.10 and 5,860.49 is: 8,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.57 : 28,519.10 = 5,860.49 : x
  2. Step 2: Convert to fraction form
    19,010.57/28,519.10 = 5,860.49/x
  3. Step 3: Cross multiply
    19,010.57x = 28,519.10 × 5,860.49
  4. Step 4: Simplify right side
    19,010.57x = 167,135,871.06
  5. Step 5: Solve for x
    x = 167,135,871.06/19,010.57
  6. Step 6: Final answer
    x = 8,791.73

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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.