Home / 17,630.66-26,431.18-8,265.75

Finding the Fourth Proportional to 17,630.66, 26,431.18 and 8,265.75

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Solution

The fourth proportional to 17,630.66, 26,431.18 and 8,265.75 is: 12,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.66 : 26,431.18 = 8,265.75 : x
  2. Step 2: Convert to fraction form
    17,630.66/26,431.18 = 8,265.75/x
  3. Step 3: Cross multiply
    17,630.66x = 26,431.18 × 8,265.75
  4. Step 4: Simplify right side
    17,630.66x = 218,473,406.30
  5. Step 5: Solve for x
    x = 218,473,406.30/17,630.66
  6. Step 6: Final answer
    x = 12,391.67

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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.