Home / 27,537.28-41,311.68-13,678.72

Finding the Fourth Proportional to 27,537.28, 41,311.68 and 13,678.72

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Solution

The fourth proportional to 27,537.28, 41,311.68 and 13,678.72 is: 20,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,537.28 : 41,311.68 = 13,678.72 : x
  2. Step 2: Convert to fraction form
    27,537.28/41,311.68 = 13,678.72/x
  3. Step 3: Cross multiply
    27,537.28x = 41,311.68 × 13,678.72
  4. Step 4: Simplify right side
    27,537.28x = 565,090,903.45
  5. Step 5: Solve for x
    x = 565,090,903.45/27,537.28
  6. Step 6: Final answer
    x = 20,520.94

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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.