Home / 17,910.21-24,708.69-12,235.80

Finding the Fourth Proportional to 17,910.21, 24,708.69 and 12,235.80

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Solution

The fourth proportional to 17,910.21, 24,708.69 and 12,235.80 is: 16,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.21 : 24,708.69 = 12,235.80 : x
  2. Step 2: Convert to fraction form
    17,910.21/24,708.69 = 12,235.80/x
  3. Step 3: Cross multiply
    17,910.21x = 24,708.69 × 12,235.80
  4. Step 4: Simplify right side
    17,910.21x = 302,330,589.10
  5. Step 5: Solve for x
    x = 302,330,589.10/17,910.21
  6. Step 6: Final answer
    x = 16,880.35

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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.