Home / 19,755.90-27,265.68-11,261.07

Finding the Fourth Proportional to 19,755.90, 27,265.68 and 11,261.07

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Solution

The fourth proportional to 19,755.90, 27,265.68 and 11,261.07 is: 15,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.90 : 27,265.68 = 11,261.07 : x
  2. Step 2: Convert to fraction form
    19,755.90/27,265.68 = 11,261.07/x
  3. Step 3: Cross multiply
    19,755.90x = 27,265.68 × 11,261.07
  4. Step 4: Simplify right side
    19,755.90x = 307,040,731.08
  5. Step 5: Solve for x
    x = 307,040,731.08/19,755.90
  6. Step 6: Final answer
    x = 15,541.72

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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.