Home / 18,511.20-25,549.46-11,795.24

Finding the Fourth Proportional to 18,511.20, 25,549.46 and 11,795.24

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Solution

The fourth proportional to 18,511.20, 25,549.46 and 11,795.24 is: 16,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.20 : 25,549.46 = 11,795.24 : x
  2. Step 2: Convert to fraction form
    18,511.20/25,549.46 = 11,795.24/x
  3. Step 3: Cross multiply
    18,511.20x = 25,549.46 × 11,795.24
  4. Step 4: Simplify right side
    18,511.20x = 301,362,012.57
  5. Step 5: Solve for x
    x = 301,362,012.57/18,511.20
  6. Step 6: Final answer
    x = 16,279.98

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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.