Home / 18,226.71-27,292.73-15,611.05

Finding the Fourth Proportional to 18,226.71, 27,292.73 and 15,611.05

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Solution

The fourth proportional to 18,226.71, 27,292.73 and 15,611.05 is: 23,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.71 : 27,292.73 = 15,611.05 : x
  2. Step 2: Convert to fraction form
    18,226.71/27,292.73 = 15,611.05/x
  3. Step 3: Cross multiply
    18,226.71x = 27,292.73 × 15,611.05
  4. Step 4: Simplify right side
    18,226.71x = 426,068,172.67
  5. Step 5: Solve for x
    x = 426,068,172.67/18,226.71
  6. Step 6: Final answer
    x = 23,376.03

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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.