Home / 27,170.88-40,756.13-8,450.92

Finding the Fourth Proportional to 27,170.88, 40,756.13 and 8,450.92

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Solution

The fourth proportional to 27,170.88, 40,756.13 and 8,450.92 is: 12,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.88 : 40,756.13 = 8,450.92 : x
  2. Step 2: Convert to fraction form
    27,170.88/40,756.13 = 8,450.92/x
  3. Step 3: Cross multiply
    27,170.88x = 40,756.13 × 8,450.92
  4. Step 4: Simplify right side
    27,170.88x = 344,426,834.52
  5. Step 5: Solve for x
    x = 344,426,834.52/27,170.88
  6. Step 6: Final answer
    x = 12,676.32

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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.