Home / 17,184.76-25,790.26-12,186.68

Finding the Fourth Proportional to 17,184.76, 25,790.26 and 12,186.68

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Solution

The fourth proportional to 17,184.76, 25,790.26 and 12,186.68 is: 18,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,184.76 : 25,790.26 = 12,186.68 : x
  2. Step 2: Convert to fraction form
    17,184.76/25,790.26 = 12,186.68/x
  3. Step 3: Cross multiply
    17,184.76x = 25,790.26 × 12,186.68
  4. Step 4: Simplify right side
    17,184.76x = 314,297,645.74
  5. Step 5: Solve for x
    x = 314,297,645.74/17,184.76
  6. Step 6: Final answer
    x = 18,289.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.