Home / 18,325.83-25,286.44-11,254.53

Finding the Fourth Proportional to 18,325.83, 25,286.44 and 11,254.53

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Solution

The fourth proportional to 18,325.83, 25,286.44 and 11,254.53 is: 15,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.83 : 25,286.44 = 11,254.53 : x
  2. Step 2: Convert to fraction form
    18,325.83/25,286.44 = 11,254.53/x
  3. Step 3: Cross multiply
    18,325.83x = 25,286.44 × 11,254.53
  4. Step 4: Simplify right side
    18,325.83x = 284,586,997.57
  5. Step 5: Solve for x
    x = 284,586,997.57/18,325.83
  6. Step 6: Final answer
    x = 15,529.28

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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.