Home / 16,823.89-25,238.57-5,134.38

Finding the Fourth Proportional to 16,823.89, 25,238.57 and 5,134.38

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Solution

The fourth proportional to 16,823.89, 25,238.57 and 5,134.38 is: 7,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.89 : 25,238.57 = 5,134.38 : x
  2. Step 2: Convert to fraction form
    16,823.89/25,238.57 = 5,134.38/x
  3. Step 3: Cross multiply
    16,823.89x = 25,238.57 × 5,134.38
  4. Step 4: Simplify right side
    16,823.89x = 129,584,409.04
  5. Step 5: Solve for x
    x = 129,584,409.04/16,823.89
  6. Step 6: Final answer
    x = 7,702.40

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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.