Home / 18,292.06-25,243.14-9,908.56

Finding the Fourth Proportional to 18,292.06, 25,243.14 and 9,908.56

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Solution

The fourth proportional to 18,292.06, 25,243.14 and 9,908.56 is: 13,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.06 : 25,243.14 = 9,908.56 : x
  2. Step 2: Convert to fraction form
    18,292.06/25,243.14 = 9,908.56/x
  3. Step 3: Cross multiply
    18,292.06x = 25,243.14 × 9,908.56
  4. Step 4: Simplify right side
    18,292.06x = 250,123,167.28
  5. Step 5: Solve for x
    x = 250,123,167.28/18,292.06
  6. Step 6: Final answer
    x = 13,673.87

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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.