Home / 19,589.85-29,389.86-8,493.98

Finding the Fourth Proportional to 19,589.85, 29,389.86 and 8,493.98

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Solution

The fourth proportional to 19,589.85, 29,389.86 and 8,493.98 is: 12,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.85 : 29,389.86 = 8,493.98 : x
  2. Step 2: Convert to fraction form
    19,589.85/29,389.86 = 8,493.98/x
  3. Step 3: Cross multiply
    19,589.85x = 29,389.86 × 8,493.98
  4. Step 4: Simplify right side
    19,589.85x = 249,636,736.09
  5. Step 5: Solve for x
    x = 249,636,736.09/19,589.85
  6. Step 6: Final answer
    x = 12,743.17

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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.