Home / 12,348.15-18,522.81-4,028.13

Finding the Fourth Proportional to 12,348.15, 18,522.81 and 4,028.13

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Solution

The fourth proportional to 12,348.15, 18,522.81 and 4,028.13 is: 6,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.15 : 18,522.81 = 4,028.13 : x
  2. Step 2: Convert to fraction form
    12,348.15/18,522.81 = 4,028.13/x
  3. Step 3: Cross multiply
    12,348.15x = 18,522.81 × 4,028.13
  4. Step 4: Simplify right side
    12,348.15x = 74,612,286.65
  5. Step 5: Solve for x
    x = 74,612,286.65/12,348.15
  6. Step 6: Final answer
    x = 6,042.39

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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.