Home / 18,072.50-24,940.17-10,115.46

Finding the Fourth Proportional to 18,072.50, 24,940.17 and 10,115.46

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Solution

The fourth proportional to 18,072.50, 24,940.17 and 10,115.46 is: 13,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.50 : 24,940.17 = 10,115.46 : x
  2. Step 2: Convert to fraction form
    18,072.50/24,940.17 = 10,115.46/x
  3. Step 3: Cross multiply
    18,072.50x = 24,940.17 × 10,115.46
  4. Step 4: Simplify right side
    18,072.50x = 252,281,292.03
  5. Step 5: Solve for x
    x = 252,281,292.03/18,072.50
  6. Step 6: Final answer
    x = 13,959.41

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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.