Home / 16,816.63-25,229.01-5,129.14

Finding the Fourth Proportional to 16,816.63, 25,229.01 and 5,129.14

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Solution

The fourth proportional to 16,816.63, 25,229.01 and 5,129.14 is: 7,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.63 : 25,229.01 = 5,129.14 : x
  2. Step 2: Convert to fraction form
    16,816.63/25,229.01 = 5,129.14/x
  3. Step 3: Cross multiply
    16,816.63x = 25,229.01 × 5,129.14
  4. Step 4: Simplify right side
    16,816.63x = 129,403,124.35
  5. Step 5: Solve for x
    x = 129,403,124.35/16,816.63
  6. Step 6: Final answer
    x = 7,694.95

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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.