Home / 19,986.42-27,581.10-11,033.94

Finding the Fourth Proportional to 19,986.42, 27,581.10 and 11,033.94

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Solution

The fourth proportional to 19,986.42, 27,581.10 and 11,033.94 is: 15,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.42 : 27,581.10 = 11,033.94 : x
  2. Step 2: Convert to fraction form
    19,986.42/27,581.10 = 11,033.94/x
  3. Step 3: Cross multiply
    19,986.42x = 27,581.10 × 11,033.94
  4. Step 4: Simplify right side
    19,986.42x = 304,328,202.53
  5. Step 5: Solve for x
    x = 304,328,202.53/19,986.42
  6. Step 6: Final answer
    x = 15,226.75

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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.