Home / 18,553.48-25,628.34-13,829.56

Finding the Fourth Proportional to 18,553.48, 25,628.34 and 13,829.56

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Solution

The fourth proportional to 18,553.48, 25,628.34 and 13,829.56 is: 19,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.48 : 25,628.34 = 13,829.56 : x
  2. Step 2: Convert to fraction form
    18,553.48/25,628.34 = 13,829.56/x
  3. Step 3: Cross multiply
    18,553.48x = 25,628.34 × 13,829.56
  4. Step 4: Simplify right side
    18,553.48x = 354,428,665.73
  5. Step 5: Solve for x
    x = 354,428,665.73/18,553.48
  6. Step 6: Final answer
    x = 19,103.08

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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.