Home / 16,864.84-25,296.64-5,177.76

Finding the Fourth Proportional to 16,864.84, 25,296.64 and 5,177.76

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Solution

The fourth proportional to 16,864.84, 25,296.64 and 5,177.76 is: 7,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.84 : 25,296.64 = 5,177.76 : x
  2. Step 2: Convert to fraction form
    16,864.84/25,296.64 = 5,177.76/x
  3. Step 3: Cross multiply
    16,864.84x = 25,296.64 × 5,177.76
  4. Step 4: Simplify right side
    16,864.84x = 130,979,930.73
  5. Step 5: Solve for x
    x = 130,979,930.73/16,864.84
  6. Step 6: Final answer
    x = 7,766.45

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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.