Home / 16,287.52-24,433.28-5,190.32

Finding the Fourth Proportional to 16,287.52, 24,433.28 and 5,190.32

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Solution

The fourth proportional to 16,287.52, 24,433.28 and 5,190.32 is: 7,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.52 : 24,433.28 = 5,190.32 : x
  2. Step 2: Convert to fraction form
    16,287.52/24,433.28 = 5,190.32/x
  3. Step 3: Cross multiply
    16,287.52x = 24,433.28 × 5,190.32
  4. Step 4: Simplify right side
    16,287.52x = 126,816,541.85
  5. Step 5: Solve for x
    x = 126,816,541.85/16,287.52
  6. Step 6: Final answer
    x = 7,786.12

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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.