Home / 19,985.52-27,580.16-11,033.30

Finding the Fourth Proportional to 19,985.52, 27,580.16 and 11,033.30

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Solution

The fourth proportional to 19,985.52, 27,580.16 and 11,033.30 is: 15,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.52 : 27,580.16 = 11,033.30 : x
  2. Step 2: Convert to fraction form
    19,985.52/27,580.16 = 11,033.30/x
  3. Step 3: Cross multiply
    19,985.52x = 27,580.16 × 11,033.30
  4. Step 4: Simplify right side
    19,985.52x = 304,300,179.33
  5. Step 5: Solve for x
    x = 304,300,179.33/19,985.52
  6. Step 6: Final answer
    x = 15,226.03

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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.