Home / 16,666.62-25,002.36-5,418.24

Finding the Fourth Proportional to 16,666.62, 25,002.36 and 5,418.24

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Solution

The fourth proportional to 16,666.62, 25,002.36 and 5,418.24 is: 8,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.62 : 25,002.36 = 5,418.24 : x
  2. Step 2: Convert to fraction form
    16,666.62/25,002.36 = 5,418.24/x
  3. Step 3: Cross multiply
    16,666.62x = 25,002.36 × 5,418.24
  4. Step 4: Simplify right side
    16,666.62x = 135,468,787.05
  5. Step 5: Solve for x
    x = 135,468,787.05/16,666.62
  6. Step 6: Final answer
    x = 8,128.15

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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.