Home / 16,986.81-25,470.24-5,137.02

Finding the Fourth Proportional to 16,986.81, 25,470.24 and 5,137.02

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Solution

The fourth proportional to 16,986.81, 25,470.24 and 5,137.02 is: 7,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.81 : 25,470.24 = 5,137.02 : x
  2. Step 2: Convert to fraction form
    16,986.81/25,470.24 = 5,137.02/x
  3. Step 3: Cross multiply
    16,986.81x = 25,470.24 × 5,137.02
  4. Step 4: Simplify right side
    16,986.81x = 130,841,132.28
  5. Step 5: Solve for x
    x = 130,841,132.28/16,986.81
  6. Step 6: Final answer
    x = 7,702.51

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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.