Home / 18,253.82-25,167.44-15,233.28

Finding the Fourth Proportional to 18,253.82, 25,167.44 and 15,233.28

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Solution

The fourth proportional to 18,253.82, 25,167.44 and 15,233.28 is: 21,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.82 : 25,167.44 = 15,233.28 : x
  2. Step 2: Convert to fraction form
    18,253.82/25,167.44 = 15,233.28/x
  3. Step 3: Cross multiply
    18,253.82x = 25,167.44 × 15,233.28
  4. Step 4: Simplify right side
    18,253.82x = 383,382,660.40
  5. Step 5: Solve for x
    x = 383,382,660.40/18,253.82
  6. Step 6: Final answer
    x = 21,002.87

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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.