Home / 17,861.60-26,785.20-6,168.80

Finding the Fourth Proportional to 17,861.60, 26,785.20 and 6,168.80

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Solution

The fourth proportional to 17,861.60, 26,785.20 and 6,168.80 is: 9,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.60 : 26,785.20 = 6,168.80 : x
  2. Step 2: Convert to fraction form
    17,861.60/26,785.20 = 6,168.80/x
  3. Step 3: Cross multiply
    17,861.60x = 26,785.20 × 6,168.80
  4. Step 4: Simplify right side
    17,861.60x = 165,232,541.76
  5. Step 5: Solve for x
    x = 165,232,541.76/17,861.60
  6. Step 6: Final answer
    x = 9,250.71

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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.