Home / 16,827.13-25,239.78-5,139.44

Finding the Fourth Proportional to 16,827.13, 25,239.78 and 5,139.44

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Solution

The fourth proportional to 16,827.13, 25,239.78 and 5,139.44 is: 7,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827.13 : 25,239.78 = 5,139.44 : x
  2. Step 2: Convert to fraction form
    16,827.13/25,239.78 = 5,139.44/x
  3. Step 3: Cross multiply
    16,827.13x = 25,239.78 × 5,139.44
  4. Step 4: Simplify right side
    16,827.13x = 129,718,334.92
  5. Step 5: Solve for x
    x = 129,718,334.92/16,827.13
  6. Step 6: Final answer
    x = 7,708.88

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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.