Home / 20,541.47-30,814.00-5,750.43

Finding the Fourth Proportional to 20,541.47, 30,814.00 and 5,750.43

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Solution

The fourth proportional to 20,541.47, 30,814.00 and 5,750.43 is: 8,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.47 : 30,814.00 = 5,750.43 : x
  2. Step 2: Convert to fraction form
    20,541.47/30,814.00 = 5,750.43/x
  3. Step 3: Cross multiply
    20,541.47x = 30,814.00 × 5,750.43
  4. Step 4: Simplify right side
    20,541.47x = 177,193,722.93
  5. Step 5: Solve for x
    x = 177,193,722.93/20,541.47
  6. Step 6: Final answer
    x = 8,626.15

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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.