Home / 13,960.71-19,262.84-8,293.44

Finding the Fourth Proportional to 13,960.71, 19,262.84 and 8,293.44

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Solution

The fourth proportional to 13,960.71, 19,262.84 and 8,293.44 is: 11,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.71 : 19,262.84 = 8,293.44 : x
  2. Step 2: Convert to fraction form
    13,960.71/19,262.84 = 8,293.44/x
  3. Step 3: Cross multiply
    13,960.71x = 19,262.84 × 8,293.44
  4. Step 4: Simplify right side
    13,960.71x = 159,755,166.30
  5. Step 5: Solve for x
    x = 159,755,166.30/13,960.71
  6. Step 6: Final answer
    x = 11,443.20

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1.5x scale

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.