Home / 16,998.42-25,496.88-8,678.22

Finding the Fourth Proportional to 16,998.42, 25,496.88 and 8,678.22

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Solution

The fourth proportional to 16,998.42, 25,496.88 and 8,678.22 is: 13,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.42 : 25,496.88 = 8,678.22 : x
  2. Step 2: Convert to fraction form
    16,998.42/25,496.88 = 8,678.22/x
  3. Step 3: Cross multiply
    16,998.42x = 25,496.88 × 8,678.22
  4. Step 4: Simplify right side
    16,998.42x = 221,267,533.95
  5. Step 5: Solve for x
    x = 221,267,533.95/16,998.42
  6. Step 6: Final answer
    x = 13,016.95

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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.