Home / 20,124.57-30,180.01-6,973.87

Finding the Fourth Proportional to 20,124.57, 30,180.01 and 6,973.87

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Solution

The fourth proportional to 20,124.57, 30,180.01 and 6,973.87 is: 10,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.57 : 30,180.01 = 6,973.87 : x
  2. Step 2: Convert to fraction form
    20,124.57/30,180.01 = 6,973.87/x
  3. Step 3: Cross multiply
    20,124.57x = 30,180.01 × 6,973.87
  4. Step 4: Simplify right side
    20,124.57x = 210,471,466.34
  5. Step 5: Solve for x
    x = 210,471,466.34/20,124.57
  6. Step 6: Final answer
    x = 10,458.43

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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.