Home / 18,169.57-25,072.86-10,211.68

Finding the Fourth Proportional to 18,169.57, 25,072.86 and 10,211.68

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Solution

The fourth proportional to 18,169.57, 25,072.86 and 10,211.68 is: 14,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.57 : 25,072.86 = 10,211.68 : x
  2. Step 2: Convert to fraction form
    18,169.57/25,072.86 = 10,211.68/x
  3. Step 3: Cross multiply
    18,169.57x = 25,072.86 × 10,211.68
  4. Step 4: Simplify right side
    18,169.57x = 256,036,023.00
  5. Step 5: Solve for x
    x = 256,036,023.00/18,169.57
  6. Step 6: Final answer
    x = 14,091.47

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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.