Home / 13,982.11-19,294.63-7,694.35

Finding the Fourth Proportional to 13,982.11, 19,294.63 and 7,694.35

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Solution

The fourth proportional to 13,982.11, 19,294.63 and 7,694.35 is: 10,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.11 : 19,294.63 = 7,694.35 : x
  2. Step 2: Convert to fraction form
    13,982.11/19,294.63 = 7,694.35/x
  3. Step 3: Cross multiply
    13,982.11x = 19,294.63 × 7,694.35
  4. Step 4: Simplify right side
    13,982.11x = 148,459,636.34
  5. Step 5: Solve for x
    x = 148,459,636.34/13,982.11
  6. Step 6: Final answer
    x = 10,617.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.