Home / 18,186.48-27,305.26-9,308.16

Finding the Fourth Proportional to 18,186.48, 27,305.26 and 9,308.16

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Solution

The fourth proportional to 18,186.48, 27,305.26 and 9,308.16 is: 13,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.48 : 27,305.26 = 9,308.16 : x
  2. Step 2: Convert to fraction form
    18,186.48/27,305.26 = 9,308.16/x
  3. Step 3: Cross multiply
    18,186.48x = 27,305.26 × 9,308.16
  4. Step 4: Simplify right side
    18,186.48x = 254,161,728.92
  5. Step 5: Solve for x
    x = 254,161,728.92/18,186.48
  6. Step 6: Final answer
    x = 13,975.31

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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.