Home / 19,914.84-29,863.74-6,761.25

Finding the Fourth Proportional to 19,914.84, 29,863.74 and 6,761.25

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Solution

The fourth proportional to 19,914.84, 29,863.74 and 6,761.25 is: 10,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.84 : 29,863.74 = 6,761.25 : x
  2. Step 2: Convert to fraction form
    19,914.84/29,863.74 = 6,761.25/x
  3. Step 3: Cross multiply
    19,914.84x = 29,863.74 × 6,761.25
  4. Step 4: Simplify right side
    19,914.84x = 201,916,212.08
  5. Step 5: Solve for x
    x = 201,916,212.08/19,914.84
  6. Step 6: Final answer
    x = 10,138.98

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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.