Home / 14,185.22-21,290.94-7,170.17

Finding the Fourth Proportional to 14,185.22, 21,290.94 and 7,170.17

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Solution

The fourth proportional to 14,185.22, 21,290.94 and 7,170.17 is: 10,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.22 : 21,290.94 = 7,170.17 : x
  2. Step 2: Convert to fraction form
    14,185.22/21,290.94 = 7,170.17/x
  3. Step 3: Cross multiply
    14,185.22x = 21,290.94 × 7,170.17
  4. Step 4: Simplify right side
    14,185.22x = 152,659,552.81
  5. Step 5: Solve for x
    x = 152,659,552.81/14,185.22
  6. Step 6: Final answer
    x = 10,761.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.