Home / 19,755.66-27,261.86-11,259.77

Finding the Fourth Proportional to 19,755.66, 27,261.86 and 11,259.77

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Solution

The fourth proportional to 19,755.66, 27,261.86 and 11,259.77 is: 15,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.66 : 27,261.86 = 11,259.77 : x
  2. Step 2: Convert to fraction form
    19,755.66/27,261.86 = 11,259.77/x
  3. Step 3: Cross multiply
    19,755.66x = 27,261.86 × 11,259.77
  4. Step 4: Simplify right side
    19,755.66x = 306,962,285.23
  5. Step 5: Solve for x
    x = 306,962,285.23/19,755.66
  6. Step 6: Final answer
    x = 15,537.94

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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.