Home / 18,644.47-25,729.38-10,260.97

Finding the Fourth Proportional to 18,644.47, 25,729.38 and 10,260.97

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Solution

The fourth proportional to 18,644.47, 25,729.38 and 10,260.97 is: 14,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.47 : 25,729.38 = 10,260.97 : x
  2. Step 2: Convert to fraction form
    18,644.47/25,729.38 = 10,260.97/x
  3. Step 3: Cross multiply
    18,644.47x = 25,729.38 × 10,260.97
  4. Step 4: Simplify right side
    18,644.47x = 264,008,396.30
  5. Step 5: Solve for x
    x = 264,008,396.30/18,644.47
  6. Step 6: Final answer
    x = 14,160.14

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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.