Home / 12,522.65-18,694.46-12,084.59

Finding the Fourth Proportional to 12,522.65, 18,694.46 and 12,084.59

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Solution

The fourth proportional to 12,522.65, 18,694.46 and 12,084.59 is: 18,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.65 : 18,694.46 = 12,084.59 : x
  2. Step 2: Convert to fraction form
    12,522.65/18,694.46 = 12,084.59/x
  3. Step 3: Cross multiply
    12,522.65x = 18,694.46 × 12,084.59
  4. Step 4: Simplify right side
    12,522.65x = 225,914,961.32
  5. Step 5: Solve for x
    x = 225,914,961.32/12,522.65
  6. Step 6: Final answer
    x = 18,040.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.