Home / 17,288.24-25,930.20-7,427.60

Finding the Fourth Proportional to 17,288.24, 25,930.20 and 7,427.60

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Solution

The fourth proportional to 17,288.24, 25,930.20 and 7,427.60 is: 11,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,288.24 : 25,930.20 = 7,427.60 : x
  2. Step 2: Convert to fraction form
    17,288.24/25,930.20 = 7,427.60/x
  3. Step 3: Cross multiply
    17,288.24x = 25,930.20 × 7,427.60
  4. Step 4: Simplify right side
    17,288.24x = 192,599,153.52
  5. Step 5: Solve for x
    x = 192,599,153.52/17,288.24
  6. Step 6: Final answer
    x = 11,140.47

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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.