Home / 18,072.12-24,940.52-10,115.08

Finding the Fourth Proportional to 18,072.12, 24,940.52 and 10,115.08

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Solution

The fourth proportional to 18,072.12, 24,940.52 and 10,115.08 is: 13,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.12 : 24,940.52 = 10,115.08 : x
  2. Step 2: Convert to fraction form
    18,072.12/24,940.52 = 10,115.08/x
  3. Step 3: Cross multiply
    18,072.12x = 24,940.52 × 10,115.08
  4. Step 4: Simplify right side
    18,072.12x = 252,275,355.04
  5. Step 5: Solve for x
    x = 252,275,355.04/18,072.12
  6. Step 6: Final answer
    x = 13,959.37

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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.