Home / 16,888.69-25,338.50-8,122.46

Finding the Fourth Proportional to 16,888.69, 25,338.50 and 8,122.46

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Solution

The fourth proportional to 16,888.69, 25,338.50 and 8,122.46 is: 12,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.69 : 25,338.50 = 8,122.46 : x
  2. Step 2: Convert to fraction form
    16,888.69/25,338.50 = 8,122.46/x
  3. Step 3: Cross multiply
    16,888.69x = 25,338.50 × 8,122.46
  4. Step 4: Simplify right side
    16,888.69x = 205,810,912.10
  5. Step 5: Solve for x
    x = 205,810,912.10/16,888.69
  6. Step 6: Final answer
    x = 12,186.32

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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.