Home / 16,857.93-25,289.40-5,456.04

Finding the Fourth Proportional to 16,857.93, 25,289.40 and 5,456.04

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Solution

The fourth proportional to 16,857.93, 25,289.40 and 5,456.04 is: 8,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.93 : 25,289.40 = 5,456.04 : x
  2. Step 2: Convert to fraction form
    16,857.93/25,289.40 = 5,456.04/x
  3. Step 3: Cross multiply
    16,857.93x = 25,289.40 × 5,456.04
  4. Step 4: Simplify right side
    16,857.93x = 137,979,977.98
  5. Step 5: Solve for x
    x = 137,979,977.98/16,857.93
  6. Step 6: Final answer
    x = 8,184.87

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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.