Home / 20,068.98-27,694.68-10,994.28

Finding the Fourth Proportional to 20,068.98, 27,694.68 and 10,994.28

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Solution

The fourth proportional to 20,068.98, 27,694.68 and 10,994.28 is: 15,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.98 : 27,694.68 = 10,994.28 : x
  2. Step 2: Convert to fraction form
    20,068.98/27,694.68 = 10,994.28/x
  3. Step 3: Cross multiply
    20,068.98x = 27,694.68 × 10,994.28
  4. Step 4: Simplify right side
    20,068.98x = 304,483,066.43
  5. Step 5: Solve for x
    x = 304,483,066.43/20,068.98
  6. Step 6: Final answer
    x = 15,171.83

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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.