Home / 16,825.76-25,243.56-4,979.83

Finding the Fourth Proportional to 16,825.76, 25,243.56 and 4,979.83

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Solution

The fourth proportional to 16,825.76, 25,243.56 and 4,979.83 is: 7,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.76 : 25,243.56 = 4,979.83 : x
  2. Step 2: Convert to fraction form
    16,825.76/25,243.56 = 4,979.83/x
  3. Step 3: Cross multiply
    16,825.76x = 25,243.56 × 4,979.83
  4. Step 4: Simplify right side
    16,825.76x = 125,708,574.29
  5. Step 5: Solve for x
    x = 125,708,574.29/16,825.76
  6. Step 6: Final answer
    x = 7,471.20

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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.