Home / 27,209.24-40,813.80-9,679.76

Finding the Fourth Proportional to 27,209.24, 40,813.80 and 9,679.76

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Solution

The fourth proportional to 27,209.24, 40,813.80 and 9,679.76 is: 14,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.24 : 40,813.80 = 9,679.76 : x
  2. Step 2: Convert to fraction form
    27,209.24/40,813.80 = 9,679.76/x
  3. Step 3: Cross multiply
    27,209.24x = 40,813.80 × 9,679.76
  4. Step 4: Simplify right side
    27,209.24x = 395,067,788.69
  5. Step 5: Solve for x
    x = 395,067,788.69/27,209.24
  6. Step 6: Final answer
    x = 14,519.62

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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.