Home / 18,654.72-25,743.84-10,271.04

Finding the Fourth Proportional to 18,654.72, 25,743.84 and 10,271.04

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Solution

The fourth proportional to 18,654.72, 25,743.84 and 10,271.04 is: 14,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.72 : 25,743.84 = 10,271.04 : x
  2. Step 2: Convert to fraction form
    18,654.72/25,743.84 = 10,271.04/x
  3. Step 3: Cross multiply
    18,654.72x = 25,743.84 × 10,271.04
  4. Step 4: Simplify right side
    18,654.72x = 264,416,010.39
  5. Step 5: Solve for x
    x = 264,416,010.39/18,654.72
  6. Step 6: Final answer
    x = 14,174.21

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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.