Home / 13,104.74-19,640.70-9,414.11

Finding the Fourth Proportional to 13,104.74, 19,640.70 and 9,414.11

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Solution

The fourth proportional to 13,104.74, 19,640.70 and 9,414.11 is: 14,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.74 : 19,640.70 = 9,414.11 : x
  2. Step 2: Convert to fraction form
    13,104.74/19,640.70 = 9,414.11/x
  3. Step 3: Cross multiply
    13,104.74x = 19,640.70 × 9,414.11
  4. Step 4: Simplify right side
    13,104.74x = 184,899,612.07
  5. Step 5: Solve for x
    x = 184,899,612.07/13,104.74
  6. Step 6: Final answer
    x = 14,109.37

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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.