Home / 18,474.48-25,493.13-11,403.18

Finding the Fourth Proportional to 18,474.48, 25,493.13 and 11,403.18

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Solution

The fourth proportional to 18,474.48, 25,493.13 and 11,403.18 is: 15,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.48 : 25,493.13 = 11,403.18 : x
  2. Step 2: Convert to fraction form
    18,474.48/25,493.13 = 11,403.18/x
  3. Step 3: Cross multiply
    18,474.48x = 25,493.13 × 11,403.18
  4. Step 4: Simplify right side
    18,474.48x = 290,702,750.15
  5. Step 5: Solve for x
    x = 290,702,750.15/18,474.48
  6. Step 6: Final answer
    x = 15,735.37

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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.