Home / 22,162.04-30,578.15-13,546.02

Finding the Fourth Proportional to 22,162.04, 30,578.15 and 13,546.02

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Solution

The fourth proportional to 22,162.04, 30,578.15 and 13,546.02 is: 18,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,162.04 : 30,578.15 = 13,546.02 : x
  2. Step 2: Convert to fraction form
    22,162.04/30,578.15 = 13,546.02/x
  3. Step 3: Cross multiply
    22,162.04x = 30,578.15 × 13,546.02
  4. Step 4: Simplify right side
    22,162.04x = 414,212,163.73
  5. Step 5: Solve for x
    x = 414,212,163.73/22,162.04
  6. Step 6: Final answer
    x = 18,690.17

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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.