Home / 16,869.69-25,265.16-13,335.96

Finding the Fourth Proportional to 16,869.69, 25,265.16 and 13,335.96

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Solution

The fourth proportional to 16,869.69, 25,265.16 and 13,335.96 is: 19,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.69 : 25,265.16 = 13,335.96 : x
  2. Step 2: Convert to fraction form
    16,869.69/25,265.16 = 13,335.96/x
  3. Step 3: Cross multiply
    16,869.69x = 25,265.16 × 13,335.96
  4. Step 4: Simplify right side
    16,869.69x = 336,935,163.15
  5. Step 5: Solve for x
    x = 336,935,163.15/16,869.69
  6. Step 6: Final answer
    x = 19,972.81

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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.