Home / 19,920.73-29,874.13-5,877.03

Finding the Fourth Proportional to 19,920.73, 29,874.13 and 5,877.03

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Solution

The fourth proportional to 19,920.73, 29,874.13 and 5,877.03 is: 8,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920.73 : 29,874.13 = 5,877.03 : x
  2. Step 2: Convert to fraction form
    19,920.73/29,874.13 = 5,877.03/x
  3. Step 3: Cross multiply
    19,920.73x = 29,874.13 × 5,877.03
  4. Step 4: Simplify right side
    19,920.73x = 175,571,068.86
  5. Step 5: Solve for x
    x = 175,571,068.86/19,920.73
  6. Step 6: Final answer
    x = 8,813.48

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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.