Home / 13,983.96-19,297.92-8,015.76

Finding the Fourth Proportional to 13,983.96, 19,297.92 and 8,015.76

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Solution

The fourth proportional to 13,983.96, 19,297.92 and 8,015.76 is: 11,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.96 : 19,297.92 = 8,015.76 : x
  2. Step 2: Convert to fraction form
    13,983.96/19,297.92 = 8,015.76/x
  3. Step 3: Cross multiply
    13,983.96x = 19,297.92 × 8,015.76
  4. Step 4: Simplify right side
    13,983.96x = 154,687,495.22
  5. Step 5: Solve for x
    x = 154,687,495.22/13,983.96
  6. Step 6: Final answer
    x = 11,061.78

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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.