Home / 13,948.30-19,251.97-7,983.41

Finding the Fourth Proportional to 13,948.30, 19,251.97 and 7,983.41

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Solution

The fourth proportional to 13,948.30, 19,251.97 and 7,983.41 is: 11,019.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.30 : 19,251.97 = 7,983.41 : x
  2. Step 2: Convert to fraction form
    13,948.30/19,251.97 = 7,983.41/x
  3. Step 3: Cross multiply
    13,948.30x = 19,251.97 × 7,983.41
  4. Step 4: Simplify right side
    13,948.30x = 153,696,321.69
  5. Step 5: Solve for x
    x = 153,696,321.69/13,948.30
  6. Step 6: Final answer
    x = 11,019.00

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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.