Home / 19,949.32-27,529.61-10,996.63

Finding the Fourth Proportional to 19,949.32, 27,529.61 and 10,996.63

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Solution

The fourth proportional to 19,949.32, 27,529.61 and 10,996.63 is: 15,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.32 : 27,529.61 = 10,996.63 : x
  2. Step 2: Convert to fraction form
    19,949.32/27,529.61 = 10,996.63/x
  3. Step 3: Cross multiply
    19,949.32x = 27,529.61 × 10,996.63
  4. Step 4: Simplify right side
    19,949.32x = 302,732,811.41
  5. Step 5: Solve for x
    x = 302,732,811.41/19,949.32
  6. Step 6: Final answer
    x = 15,175.09

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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.