Home / 13,983.76-19,297.58-8,394.76

Finding the Fourth Proportional to 13,983.76, 19,297.58 and 8,394.76

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Solution

The fourth proportional to 13,983.76, 19,297.58 and 8,394.76 is: 11,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.76 : 19,297.58 = 8,394.76 : x
  2. Step 2: Convert to fraction form
    13,983.76/19,297.58 = 8,394.76/x
  3. Step 3: Cross multiply
    13,983.76x = 19,297.58 × 8,394.76
  4. Step 4: Simplify right side
    13,983.76x = 161,998,552.68
  5. Step 5: Solve for x
    x = 161,998,552.68/13,983.76
  6. Step 6: Final answer
    x = 11,584.76

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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.