Home / 27,239.94-40,859.10-7,519.68

Finding the Fourth Proportional to 27,239.94, 40,859.10 and 7,519.68

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Solution

The fourth proportional to 27,239.94, 40,859.10 and 7,519.68 is: 11,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239.94 : 40,859.10 = 7,519.68 : x
  2. Step 2: Convert to fraction form
    27,239.94/40,859.10 = 7,519.68/x
  3. Step 3: Cross multiply
    27,239.94x = 40,859.10 × 7,519.68
  4. Step 4: Simplify right side
    27,239.94x = 307,247,357.09
  5. Step 5: Solve for x
    x = 307,247,357.09/27,239.94
  6. Step 6: Final answer
    x = 11,279.30

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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.