Home / 13,160.84-19,746.72-5,761.49

Finding the Fourth Proportional to 13,160.84, 19,746.72 and 5,761.49

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Solution

The fourth proportional to 13,160.84, 19,746.72 and 5,761.49 is: 8,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.84 : 19,746.72 = 5,761.49 : x
  2. Step 2: Convert to fraction form
    13,160.84/19,746.72 = 5,761.49/x
  3. Step 3: Cross multiply
    13,160.84x = 19,746.72 × 5,761.49
  4. Step 4: Simplify right side
    13,160.84x = 113,770,431.08
  5. Step 5: Solve for x
    x = 113,770,431.08/13,160.84
  6. Step 6: Final answer
    x = 8,644.62

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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.