Home / 18,250.03-25,200.39-12,301.39

Finding the Fourth Proportional to 18,250.03, 25,200.39 and 12,301.39

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Solution

The fourth proportional to 18,250.03, 25,200.39 and 12,301.39 is: 16,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.03 : 25,200.39 = 12,301.39 : x
  2. Step 2: Convert to fraction form
    18,250.03/25,200.39 = 12,301.39/x
  3. Step 3: Cross multiply
    18,250.03x = 25,200.39 × 12,301.39
  4. Step 4: Simplify right side
    18,250.03x = 309,999,825.54
  5. Step 5: Solve for x
    x = 309,999,825.54/18,250.03
  6. Step 6: Final answer
    x = 16,986.26

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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.