Home / 19,948.41-27,529.20-10,996.56

Finding the Fourth Proportional to 19,948.41, 27,529.20 and 10,996.56

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Solution

The fourth proportional to 19,948.41, 27,529.20 and 10,996.56 is: 15,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.41 : 27,529.20 = 10,996.56 : x
  2. Step 2: Convert to fraction form
    19,948.41/27,529.20 = 10,996.56/x
  3. Step 3: Cross multiply
    19,948.41x = 27,529.20 × 10,996.56
  4. Step 4: Simplify right side
    19,948.41x = 302,726,499.55
  5. Step 5: Solve for x
    x = 302,726,499.55/19,948.41
  6. Step 6: Final answer
    x = 15,175.47

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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.