Home / 16,935.65-25,419.87-8,176.71

Finding the Fourth Proportional to 16,935.65, 25,419.87 and 8,176.71

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Solution

The fourth proportional to 16,935.65, 25,419.87 and 8,176.71 is: 12,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.65 : 25,419.87 = 8,176.71 : x
  2. Step 2: Convert to fraction form
    16,935.65/25,419.87 = 8,176.71/x
  3. Step 3: Cross multiply
    16,935.65x = 25,419.87 × 8,176.71
  4. Step 4: Simplify right side
    16,935.65x = 207,850,905.23
  5. Step 5: Solve for x
    x = 207,850,905.23/16,935.65
  6. Step 6: Final answer
    x = 12,272.98

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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.