Home / 17,949.10-24,769.41-9,991.48

Finding the Fourth Proportional to 17,949.10, 24,769.41 and 9,991.48

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Solution

The fourth proportional to 17,949.10, 24,769.41 and 9,991.48 is: 13,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,949.10 : 24,769.41 = 9,991.48 : x
  2. Step 2: Convert to fraction form
    17,949.10/24,769.41 = 9,991.48/x
  3. Step 3: Cross multiply
    17,949.10x = 24,769.41 × 9,991.48
  4. Step 4: Simplify right side
    17,949.10x = 247,483,064.63
  5. Step 5: Solve for x
    x = 247,483,064.63/17,949.10
  6. Step 6: Final answer
    x = 13,788.05

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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.