Home / 17,949.41-24,769.63-9,991.43

Finding the Fourth Proportional to 17,949.41, 24,769.63 and 9,991.43

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Solution

The fourth proportional to 17,949.41, 24,769.63 and 9,991.43 is: 13,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,949.41 : 24,769.63 = 9,991.43 : x
  2. Step 2: Convert to fraction form
    17,949.41/24,769.63 = 9,991.43/x
  3. Step 3: Cross multiply
    17,949.41x = 24,769.63 × 9,991.43
  4. Step 4: Simplify right side
    17,949.41x = 247,484,024.27
  5. Step 5: Solve for x
    x = 247,484,024.27/17,949.41
  6. Step 6: Final answer
    x = 13,787.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.