Home / 14,929.92-22,394.88-3,985.92

Finding the Fourth Proportional to 14,929.92, 22,394.88 and 3,985.92

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Solution

The fourth proportional to 14,929.92, 22,394.88 and 3,985.92 is: 5,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.92 : 22,394.88 = 3,985.92 : x
  2. Step 2: Convert to fraction form
    14,929.92/22,394.88 = 3,985.92/x
  3. Step 3: Cross multiply
    14,929.92x = 22,394.88 × 3,985.92
  4. Step 4: Simplify right side
    14,929.92x = 89,264,200.09
  5. Step 5: Solve for x
    x = 89,264,200.09/14,929.92
  6. Step 6: Final answer
    x = 5,978.88

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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.