Home / 16,998.04-25,478.83-8,220.88

Finding the Fourth Proportional to 16,998.04, 25,478.83 and 8,220.88

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Solution

The fourth proportional to 16,998.04, 25,478.83 and 8,220.88 is: 12,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.04 : 25,478.83 = 8,220.88 : x
  2. Step 2: Convert to fraction form
    16,998.04/25,478.83 = 8,220.88/x
  3. Step 3: Cross multiply
    16,998.04x = 25,478.83 × 8,220.88
  4. Step 4: Simplify right side
    16,998.04x = 209,458,403.97
  5. Step 5: Solve for x
    x = 209,458,403.97/16,998.04
  6. Step 6: Final answer
    x = 12,322.50

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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.