Home / 18,286.60-25,234.14-10,328.80

Finding the Fourth Proportional to 18,286.60, 25,234.14 and 10,328.80

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Solution

The fourth proportional to 18,286.60, 25,234.14 and 10,328.80 is: 14,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.60 : 25,234.14 = 10,328.80 : x
  2. Step 2: Convert to fraction form
    18,286.60/25,234.14 = 10,328.80/x
  3. Step 3: Cross multiply
    18,286.60x = 25,234.14 × 10,328.80
  4. Step 4: Simplify right side
    18,286.60x = 260,638,385.23
  5. Step 5: Solve for x
    x = 260,638,385.23/18,286.60
  6. Step 6: Final answer
    x = 14,252.97

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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.