Home / 16,986.10-25,479.15-5,299.33

Finding the Fourth Proportional to 16,986.10, 25,479.15 and 5,299.33

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Solution

The fourth proportional to 16,986.10, 25,479.15 and 5,299.33 is: 7,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.10 : 25,479.15 = 5,299.33 : x
  2. Step 2: Convert to fraction form
    16,986.10/25,479.15 = 5,299.33/x
  3. Step 3: Cross multiply
    16,986.10x = 25,479.15 × 5,299.33
  4. Step 4: Simplify right side
    16,986.10x = 135,022,423.97
  5. Step 5: Solve for x
    x = 135,022,423.97/16,986.10
  6. Step 6: Final answer
    x = 7,949.00

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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.