Home / 14,705.46-20,293.46-7,991.04

Finding the Fourth Proportional to 14,705.46, 20,293.46 and 7,991.04

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Solution

The fourth proportional to 14,705.46, 20,293.46 and 7,991.04 is: 11,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.46 : 20,293.46 = 7,991.04 : x
  2. Step 2: Convert to fraction form
    14,705.46/20,293.46 = 7,991.04/x
  3. Step 3: Cross multiply
    14,705.46x = 20,293.46 × 7,991.04
  4. Step 4: Simplify right side
    14,705.46x = 162,165,850.60
  5. Step 5: Solve for x
    x = 162,165,850.60/14,705.46
  6. Step 6: Final answer
    x = 11,027.59

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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.