Home / 18,563.22-25,583.76-13,519.44

Finding the Fourth Proportional to 18,563.22, 25,583.76 and 13,519.44

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Solution

The fourth proportional to 18,563.22, 25,583.76 and 13,519.44 is: 18,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.22 : 25,583.76 = 13,519.44 : x
  2. Step 2: Convert to fraction form
    18,563.22/25,583.76 = 13,519.44/x
  3. Step 3: Cross multiply
    18,563.22x = 25,583.76 × 13,519.44
  4. Step 4: Simplify right side
    18,563.22x = 345,878,108.29
  5. Step 5: Solve for x
    x = 345,878,108.29/18,563.22
  6. Step 6: Final answer
    x = 18,632.44

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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.