Home / 20,476.93-30,711.96-5,687.34

Finding the Fourth Proportional to 20,476.93, 30,711.96 and 5,687.34

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Solution

The fourth proportional to 20,476.93, 30,711.96 and 5,687.34 is: 8,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476.93 : 30,711.96 = 5,687.34 : x
  2. Step 2: Convert to fraction form
    20,476.93/30,711.96 = 5,687.34/x
  3. Step 3: Cross multiply
    20,476.93x = 30,711.96 × 5,687.34
  4. Step 4: Simplify right side
    20,476.93x = 174,669,358.59
  5. Step 5: Solve for x
    x = 174,669,358.59/20,476.93
  6. Step 6: Final answer
    x = 8,530.06

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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.