Home / 18,247.48-25,185.43-11,528.83

Finding the Fourth Proportional to 18,247.48, 25,185.43 and 11,528.83

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Solution

The fourth proportional to 18,247.48, 25,185.43 and 11,528.83 is: 15,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.48 : 25,185.43 = 11,528.83 : x
  2. Step 2: Convert to fraction form
    18,247.48/25,185.43 = 11,528.83/x
  3. Step 3: Cross multiply
    18,247.48x = 25,185.43 × 11,528.83
  4. Step 4: Simplify right side
    18,247.48x = 290,358,586.84
  5. Step 5: Solve for x
    x = 290,358,586.84/18,247.48
  6. Step 6: Final answer
    x = 15,912.26

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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.