Home / 13,236.84-19,841.41-9,721.62

Finding the Fourth Proportional to 13,236.84, 19,841.41 and 9,721.62

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Solution

The fourth proportional to 13,236.84, 19,841.41 and 9,721.62 is: 14,572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.84 : 19,841.41 = 9,721.62 : x
  2. Step 2: Convert to fraction form
    13,236.84/19,841.41 = 9,721.62/x
  3. Step 3: Cross multiply
    13,236.84x = 19,841.41 × 9,721.62
  4. Step 4: Simplify right side
    13,236.84x = 192,890,648.28
  5. Step 5: Solve for x
    x = 192,890,648.28/13,236.84
  6. Step 6: Final answer
    x = 14,572.26

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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.