Home / 17,100.11-23,620.95-13,755.56

Finding the Fourth Proportional to 17,100.11, 23,620.95 and 13,755.56

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Solution

The fourth proportional to 17,100.11, 23,620.95 and 13,755.56 is: 19,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.11 : 23,620.95 = 13,755.56 : x
  2. Step 2: Convert to fraction form
    17,100.11/23,620.95 = 13,755.56/x
  3. Step 3: Cross multiply
    17,100.11x = 23,620.95 × 13,755.56
  4. Step 4: Simplify right side
    17,100.11x = 324,919,276.88
  5. Step 5: Solve for x
    x = 324,919,276.88/17,100.11
  6. Step 6: Final answer
    x = 19,001.00

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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.