Home / 16,212.18-24,319.64-5,115.89

Finding the Fourth Proportional to 16,212.18, 24,319.64 and 5,115.89

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Solution

The fourth proportional to 16,212.18, 24,319.64 and 5,115.89 is: 7,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.18 : 24,319.64 = 5,115.89 : x
  2. Step 2: Convert to fraction form
    16,212.18/24,319.64 = 5,115.89/x
  3. Step 3: Cross multiply
    16,212.18x = 24,319.64 × 5,115.89
  4. Step 4: Simplify right side
    16,212.18x = 124,416,676.67
  5. Step 5: Solve for x
    x = 124,416,676.67/16,212.18
  6. Step 6: Final answer
    x = 7,674.27

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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.