Home / 19,985.92-27,580.42-11,033.44

Finding the Fourth Proportional to 19,985.92, 27,580.42 and 11,033.44

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Solution

The fourth proportional to 19,985.92, 27,580.42 and 11,033.44 is: 15,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.92 : 27,580.42 = 11,033.44 : x
  2. Step 2: Convert to fraction form
    19,985.92/27,580.42 = 11,033.44/x
  3. Step 3: Cross multiply
    19,985.92x = 27,580.42 × 11,033.44
  4. Step 4: Simplify right side
    19,985.92x = 304,306,716.18
  5. Step 5: Solve for x
    x = 304,306,716.18/19,985.92
  6. Step 6: Final answer
    x = 15,226.05

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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.