Home / 18,146.56-27,216.60-11,553.16

Finding the Fourth Proportional to 18,146.56, 27,216.60 and 11,553.16

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Solution

The fourth proportional to 18,146.56, 27,216.60 and 11,553.16 is: 17,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.56 : 27,216.60 = 11,553.16 : x
  2. Step 2: Convert to fraction form
    18,146.56/27,216.60 = 11,553.16/x
  3. Step 3: Cross multiply
    18,146.56x = 27,216.60 × 11,553.16
  4. Step 4: Simplify right side
    18,146.56x = 314,437,734.46
  5. Step 5: Solve for x
    x = 314,437,734.46/18,146.56
  6. Step 6: Final answer
    x = 17,327.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.