Home / 16,807.20-25,208.10-5,117.70

Finding the Fourth Proportional to 16,807.20, 25,208.10 and 5,117.70

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Solution

The fourth proportional to 16,807.20, 25,208.10 and 5,117.70 is: 7,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.20 : 25,208.10 = 5,117.70 : x
  2. Step 2: Convert to fraction form
    16,807.20/25,208.10 = 5,117.70/x
  3. Step 3: Cross multiply
    16,807.20x = 25,208.10 × 5,117.70
  4. Step 4: Simplify right side
    16,807.20x = 129,007,493.37
  5. Step 5: Solve for x
    x = 129,007,493.37/16,807.20
  6. Step 6: Final answer
    x = 7,675.73

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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.