Home / 17,126.20-25,689.30-8,794.60

Finding the Fourth Proportional to 17,126.20, 25,689.30 and 8,794.60

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Solution

The fourth proportional to 17,126.20, 25,689.30 and 8,794.60 is: 13,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.20 : 25,689.30 = 8,794.60 : x
  2. Step 2: Convert to fraction form
    17,126.20/25,689.30 = 8,794.60/x
  3. Step 3: Cross multiply
    17,126.20x = 25,689.30 × 8,794.60
  4. Step 4: Simplify right side
    17,126.20x = 225,927,117.78
  5. Step 5: Solve for x
    x = 225,927,117.78/17,126.20
  6. Step 6: Final answer
    x = 13,191.90

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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.