Home / 36,366.21-54,532.08-12,665.49

Finding the Fourth Proportional to 36,366.21, 54,532.08 and 12,665.49

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Solution

The fourth proportional to 36,366.21, 54,532.08 and 12,665.49 is: 18,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,366.21 : 54,532.08 = 12,665.49 : x
  2. Step 2: Convert to fraction form
    36,366.21/54,532.08 = 12,665.49/x
  3. Step 3: Cross multiply
    36,366.21x = 54,532.08 × 12,665.49
  4. Step 4: Simplify right side
    36,366.21x = 690,675,513.92
  5. Step 5: Solve for x
    x = 690,675,513.92/36,366.21
  6. Step 6: Final answer
    x = 18,992.23

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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.