Home / 16,869.96-25,310.80-7,516.62

Finding the Fourth Proportional to 16,869.96, 25,310.80 and 7,516.62

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Solution

The fourth proportional to 16,869.96, 25,310.80 and 7,516.62 is: 11,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.96 : 25,310.80 = 7,516.62 : x
  2. Step 2: Convert to fraction form
    16,869.96/25,310.80 = 7,516.62/x
  3. Step 3: Cross multiply
    16,869.96x = 25,310.80 × 7,516.62
  4. Step 4: Simplify right side
    16,869.96x = 190,251,665.50
  5. Step 5: Solve for x
    x = 190,251,665.50/16,869.96
  6. Step 6: Final answer
    x = 11,277.54

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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.