Home / 20,581.53-30,847.50-9,473.01

Finding the Fourth Proportional to 20,581.53, 30,847.50 and 9,473.01

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Solution

The fourth proportional to 20,581.53, 30,847.50 and 9,473.01 is: 14,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581.53 : 30,847.50 = 9,473.01 : x
  2. Step 2: Convert to fraction form
    20,581.53/30,847.50 = 9,473.01/x
  3. Step 3: Cross multiply
    20,581.53x = 30,847.50 × 9,473.01
  4. Step 4: Simplify right side
    20,581.53x = 292,218,675.98
  5. Step 5: Solve for x
    x = 292,218,675.98/20,581.53
  6. Step 6: Final answer
    x = 14,198.10

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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.