Home / 13,991.04-19,305.62-8,022.96

Finding the Fourth Proportional to 13,991.04, 19,305.62 and 8,022.96

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Solution

The fourth proportional to 13,991.04, 19,305.62 and 8,022.96 is: 11,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.04 : 19,305.62 = 8,022.96 : x
  2. Step 2: Convert to fraction form
    13,991.04/19,305.62 = 8,022.96/x
  3. Step 3: Cross multiply
    13,991.04x = 19,305.62 × 8,022.96
  4. Step 4: Simplify right side
    13,991.04x = 154,888,217.04
  5. Step 5: Solve for x
    x = 154,888,217.04/13,991.04
  6. Step 6: Final answer
    x = 11,070.53

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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.