Home / 19,921.41-29,874.96-6,591.96

Finding the Fourth Proportional to 19,921.41, 29,874.96 and 6,591.96

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Solution

The fourth proportional to 19,921.41, 29,874.96 and 6,591.96 is: 9,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.41 : 29,874.96 = 6,591.96 : x
  2. Step 2: Convert to fraction form
    19,921.41/29,874.96 = 6,591.96/x
  3. Step 3: Cross multiply
    19,921.41x = 29,874.96 × 6,591.96
  4. Step 4: Simplify right side
    19,921.41x = 196,934,541.32
  5. Step 5: Solve for x
    x = 196,934,541.32/19,921.41
  6. Step 6: Final answer
    x = 9,885.57

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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.