Home / 18,311.96-25,270.22-10,353.92

Finding the Fourth Proportional to 18,311.96, 25,270.22 and 10,353.92

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Solution

The fourth proportional to 18,311.96, 25,270.22 and 10,353.92 is: 14,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.96 : 25,270.22 = 10,353.92 : x
  2. Step 2: Convert to fraction form
    18,311.96/25,270.22 = 10,353.92/x
  3. Step 3: Cross multiply
    18,311.96x = 25,270.22 × 10,353.92
  4. Step 4: Simplify right side
    18,311.96x = 261,645,836.26
  5. Step 5: Solve for x
    x = 261,645,836.26/18,311.96
  6. Step 6: Final answer
    x = 14,288.25

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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.