Home / 20,456.96-30,536.10-17,553.92

Finding the Fourth Proportional to 20,456.96, 30,536.10 and 17,553.92

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Solution

The fourth proportional to 20,456.96, 30,536.10 and 17,553.92 is: 26,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,456.96 : 30,536.10 = 17,553.92 : x
  2. Step 2: Convert to fraction form
    20,456.96/30,536.10 = 17,553.92/x
  3. Step 3: Cross multiply
    20,456.96x = 30,536.10 × 17,553.92
  4. Step 4: Simplify right side
    20,456.96x = 536,028,256.51
  5. Step 5: Solve for x
    x = 536,028,256.51/20,456.96
  6. Step 6: Final answer
    x = 26,202.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.