Home / 16,827.13-25,243.14-5,138.83

Finding the Fourth Proportional to 16,827.13, 25,243.14 and 5,138.83

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Solution

The fourth proportional to 16,827.13, 25,243.14 and 5,138.83 is: 7,708.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827.13 : 25,243.14 = 5,138.83 : x
  2. Step 2: Convert to fraction form
    16,827.13/25,243.14 = 5,138.83/x
  3. Step 3: Cross multiply
    16,827.13x = 25,243.14 × 5,138.83
  4. Step 4: Simplify right side
    16,827.13x = 129,720,205.13
  5. Step 5: Solve for x
    x = 129,720,205.13/16,827.13
  6. Step 6: Final answer
    x = 7,708.99

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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.