Home / 18,769.89-25,902.44-10,272.02

Finding the Fourth Proportional to 18,769.89, 25,902.44 and 10,272.02

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Solution

The fourth proportional to 18,769.89, 25,902.44 and 10,272.02 is: 14,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.89 : 25,902.44 = 10,272.02 : x
  2. Step 2: Convert to fraction form
    18,769.89/25,902.44 = 10,272.02/x
  3. Step 3: Cross multiply
    18,769.89x = 25,902.44 × 10,272.02
  4. Step 4: Simplify right side
    18,769.89x = 266,070,252.22
  5. Step 5: Solve for x
    x = 266,070,252.22/18,769.89
  6. Step 6: Final answer
    x = 14,175.38

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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.