Home / 16,986.52-25,497.06-12,061.72

Finding the Fourth Proportional to 16,986.52, 25,497.06 and 12,061.72

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Solution

The fourth proportional to 16,986.52, 25,497.06 and 12,061.72 is: 18,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.52 : 25,497.06 = 12,061.72 : x
  2. Step 2: Convert to fraction form
    16,986.52/25,497.06 = 12,061.72/x
  3. Step 3: Cross multiply
    16,986.52x = 25,497.06 × 12,061.72
  4. Step 4: Simplify right side
    16,986.52x = 307,538,398.54
  5. Step 5: Solve for x
    x = 307,538,398.54/16,986.52
  6. Step 6: Final answer
    x = 18,104.85

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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.