Home / 16,238.42-24,360.64-5,147.90

Finding the Fourth Proportional to 16,238.42, 24,360.64 and 5,147.90

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Solution

The fourth proportional to 16,238.42, 24,360.64 and 5,147.90 is: 7,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,238.42 : 24,360.64 = 5,147.90 : x
  2. Step 2: Convert to fraction form
    16,238.42/24,360.64 = 5,147.90/x
  3. Step 3: Cross multiply
    16,238.42x = 24,360.64 × 5,147.90
  4. Step 4: Simplify right side
    16,238.42x = 125,406,186.69
  5. Step 5: Solve for x
    x = 125,406,186.69/16,238.42
  6. Step 6: Final answer
    x = 7,722.81

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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.