Home / 16,908.10-25,362.15-11,659.30

Finding the Fourth Proportional to 16,908.10, 25,362.15 and 11,659.30

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Solution

The fourth proportional to 16,908.10, 25,362.15 and 11,659.30 is: 17,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.10 : 25,362.15 = 11,659.30 : x
  2. Step 2: Convert to fraction form
    16,908.10/25,362.15 = 11,659.30/x
  3. Step 3: Cross multiply
    16,908.10x = 25,362.15 × 11,659.30
  4. Step 4: Simplify right side
    16,908.10x = 295,704,915.50
  5. Step 5: Solve for x
    x = 295,704,915.50/16,908.10
  6. Step 6: Final answer
    x = 17,488.95

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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.