Home / 18,194.36-25,104.42-10,639.22

Finding the Fourth Proportional to 18,194.36, 25,104.42 and 10,639.22

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Solution

The fourth proportional to 18,194.36, 25,104.42 and 10,639.22 is: 14,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194.36 : 25,104.42 = 10,639.22 : x
  2. Step 2: Convert to fraction form
    18,194.36/25,104.42 = 10,639.22/x
  3. Step 3: Cross multiply
    18,194.36x = 25,104.42 × 10,639.22
  4. Step 4: Simplify right side
    18,194.36x = 267,091,321.83
  5. Step 5: Solve for x
    x = 267,091,321.83/18,194.36
  6. Step 6: Final answer
    x = 14,679.90

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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.