Home / 18,647.03-25,730.54-12,610.44

Finding the Fourth Proportional to 18,647.03, 25,730.54 and 12,610.44

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Solution

The fourth proportional to 18,647.03, 25,730.54 and 12,610.44 is: 17,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.03 : 25,730.54 = 12,610.44 : x
  2. Step 2: Convert to fraction form
    18,647.03/25,730.54 = 12,610.44/x
  3. Step 3: Cross multiply
    18,647.03x = 25,730.54 × 12,610.44
  4. Step 4: Simplify right side
    18,647.03x = 324,473,367.79
  5. Step 5: Solve for x
    x = 324,473,367.79/18,647.03
  6. Step 6: Final answer
    x = 17,400.81

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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.