Home / 17,002.40-25,486.02-12,310.77

Finding the Fourth Proportional to 17,002.40, 25,486.02 and 12,310.77

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Solution

The fourth proportional to 17,002.40, 25,486.02 and 12,310.77 is: 18,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,002.40 : 25,486.02 = 12,310.77 : x
  2. Step 2: Convert to fraction form
    17,002.40/25,486.02 = 12,310.77/x
  3. Step 3: Cross multiply
    17,002.40x = 25,486.02 × 12,310.77
  4. Step 4: Simplify right side
    17,002.40x = 313,752,530.44
  5. Step 5: Solve for x
    x = 313,752,530.44/17,002.40
  6. Step 6: Final answer
    x = 18,453.43

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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.