Home / 16,816.18-25,224.20-5,129.36

Finding the Fourth Proportional to 16,816.18, 25,224.20 and 5,129.36

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Solution

The fourth proportional to 16,816.18, 25,224.20 and 5,129.36 is: 7,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.18 : 25,224.20 = 5,129.36 : x
  2. Step 2: Convert to fraction form
    16,816.18/25,224.20 = 5,129.36/x
  3. Step 3: Cross multiply
    16,816.18x = 25,224.20 × 5,129.36
  4. Step 4: Simplify right side
    16,816.18x = 129,384,002.51
  5. Step 5: Solve for x
    x = 129,384,002.51/16,816.18
  6. Step 6: Final answer
    x = 7,694.02

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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.