Home / 20,395.62-30,593.77-5,604.45

Finding the Fourth Proportional to 20,395.62, 30,593.77 and 5,604.45

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Solution

The fourth proportional to 20,395.62, 30,593.77 and 5,604.45 is: 8,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.62 : 30,593.77 = 5,604.45 : x
  2. Step 2: Convert to fraction form
    20,395.62/30,593.77 = 5,604.45/x
  3. Step 3: Cross multiply
    20,395.62x = 30,593.77 × 5,604.45
  4. Step 4: Simplify right side
    20,395.62x = 171,461,125.54
  5. Step 5: Solve for x
    x = 171,461,125.54/20,395.62
  6. Step 6: Final answer
    x = 8,406.76

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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.