Home / 16,211.68-24,318.89-5,115.39

Finding the Fourth Proportional to 16,211.68, 24,318.89 and 5,115.39

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Solution

The fourth proportional to 16,211.68, 24,318.89 and 5,115.39 is: 7,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.68 : 24,318.89 = 5,115.39 : x
  2. Step 2: Convert to fraction form
    16,211.68/24,318.89 = 5,115.39/x
  3. Step 3: Cross multiply
    16,211.68x = 24,318.89 × 5,115.39
  4. Step 4: Simplify right side
    16,211.68x = 124,400,606.72
  5. Step 5: Solve for x
    x = 124,400,606.72/16,211.68
  6. Step 6: Final answer
    x = 7,673.52

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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.