Home / 18,654.28-25,743.32-10,270.80

Finding the Fourth Proportional to 18,654.28, 25,743.32 and 10,270.80

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Solution

The fourth proportional to 18,654.28, 25,743.32 and 10,270.80 is: 14,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.28 : 25,743.32 = 10,270.80 : x
  2. Step 2: Convert to fraction form
    18,654.28/25,743.32 = 10,270.80/x
  3. Step 3: Cross multiply
    18,654.28x = 25,743.32 × 10,270.80
  4. Step 4: Simplify right side
    18,654.28x = 264,404,491.06
  5. Step 5: Solve for x
    x = 264,404,491.06/18,654.28
  6. Step 6: Final answer
    x = 14,173.93

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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.