Home / 20,288.04-30,390.73-16,553.13

Finding the Fourth Proportional to 20,288.04, 30,390.73 and 16,553.13

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Solution

The fourth proportional to 20,288.04, 30,390.73 and 16,553.13 is: 24,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288.04 : 30,390.73 = 16,553.13 : x
  2. Step 2: Convert to fraction form
    20,288.04/30,390.73 = 16,553.13/x
  3. Step 3: Cross multiply
    20,288.04x = 30,390.73 × 16,553.13
  4. Step 4: Simplify right side
    20,288.04x = 503,061,704.48
  5. Step 5: Solve for x
    x = 503,061,704.48/20,288.04
  6. Step 6: Final answer
    x = 24,795.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.