Home / 16,865.45-25,299.39-6,477.20

Finding the Fourth Proportional to 16,865.45, 25,299.39 and 6,477.20

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Solution

The fourth proportional to 16,865.45, 25,299.39 and 6,477.20 is: 9,716.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.45 : 25,299.39 = 6,477.20 : x
  2. Step 2: Convert to fraction form
    16,865.45/25,299.39 = 6,477.20/x
  3. Step 3: Cross multiply
    16,865.45x = 25,299.39 × 6,477.20
  4. Step 4: Simplify right side
    16,865.45x = 163,869,208.91
  5. Step 5: Solve for x
    x = 163,869,208.91/16,865.45
  6. Step 6: Final answer
    x = 9,716.27

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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.