Home / 18,204.25-25,120.27-10,137.30

Finding the Fourth Proportional to 18,204.25, 25,120.27 and 10,137.30

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Solution

The fourth proportional to 18,204.25, 25,120.27 and 10,137.30 is: 13,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.25 : 25,120.27 = 10,137.30 : x
  2. Step 2: Convert to fraction form
    18,204.25/25,120.27 = 10,137.30/x
  3. Step 3: Cross multiply
    18,204.25x = 25,120.27 × 10,137.30
  4. Step 4: Simplify right side
    18,204.25x = 254,651,568.18
  5. Step 5: Solve for x
    x = 254,651,568.18/18,204.25
  6. Step 6: Final answer
    x = 13,988.58

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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.