Home / 18,654.91-25,743.76-10,271.41

Finding the Fourth Proportional to 18,654.91, 25,743.76 and 10,271.41

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Solution

The fourth proportional to 18,654.91, 25,743.76 and 10,271.41 is: 14,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.91 : 25,743.76 = 10,271.41 : x
  2. Step 2: Convert to fraction form
    18,654.91/25,743.76 = 10,271.41/x
  3. Step 3: Cross multiply
    18,654.91x = 25,743.76 × 10,271.41
  4. Step 4: Simplify right side
    18,654.91x = 264,424,623.86
  5. Step 5: Solve for x
    x = 264,424,623.86/18,654.91
  6. Step 6: Final answer
    x = 14,174.53

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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.