Home / 27,108.30-40,668.14-9,340.56

Finding the Fourth Proportional to 27,108.30, 40,668.14 and 9,340.56

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Solution

The fourth proportional to 27,108.30, 40,668.14 and 9,340.56 is: 14,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.30 : 40,668.14 = 9,340.56 : x
  2. Step 2: Convert to fraction form
    27,108.30/40,668.14 = 9,340.56/x
  3. Step 3: Cross multiply
    27,108.30x = 40,668.14 × 9,340.56
  4. Step 4: Simplify right side
    27,108.30x = 379,863,201.76
  5. Step 5: Solve for x
    x = 379,863,201.76/27,108.30
  6. Step 6: Final answer
    x = 14,012.80

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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.