Home / 25,219.81-34,791.96-17,143.57

Finding the Fourth Proportional to 25,219.81, 34,791.96 and 17,143.57

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Solution

The fourth proportional to 25,219.81, 34,791.96 and 17,143.57 is: 23,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.81 : 34,791.96 = 17,143.57 : x
  2. Step 2: Convert to fraction form
    25,219.81/34,791.96 = 17,143.57/x
  3. Step 3: Cross multiply
    25,219.81x = 34,791.96 × 17,143.57
  4. Step 4: Simplify right side
    25,219.81x = 596,458,401.70
  5. Step 5: Solve for x
    x = 596,458,401.70/25,219.81
  6. Step 6: Final answer
    x = 23,650.39

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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.