Home / 19,711.76-29,566.92-5,860.40

Finding the Fourth Proportional to 19,711.76, 29,566.92 and 5,860.40

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Solution

The fourth proportional to 19,711.76, 29,566.92 and 5,860.40 is: 8,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.76 : 29,566.92 = 5,860.40 : x
  2. Step 2: Convert to fraction form
    19,711.76/29,566.92 = 5,860.40/x
  3. Step 3: Cross multiply
    19,711.76x = 29,566.92 × 5,860.40
  4. Step 4: Simplify right side
    19,711.76x = 173,273,977.97
  5. Step 5: Solve for x
    x = 173,273,977.97/19,711.76
  6. Step 6: Final answer
    x = 8,790.39

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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.