Home / 18,662.52-27,987.06-6,180.24

Finding the Fourth Proportional to 18,662.52, 27,987.06 and 6,180.24

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Solution

The fourth proportional to 18,662.52, 27,987.06 and 6,180.24 is: 9,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.52 : 27,987.06 = 6,180.24 : x
  2. Step 2: Convert to fraction form
    18,662.52/27,987.06 = 6,180.24/x
  3. Step 3: Cross multiply
    18,662.52x = 27,987.06 × 6,180.24
  4. Step 4: Simplify right side
    18,662.52x = 172,966,747.69
  5. Step 5: Solve for x
    x = 172,966,747.69/18,662.52
  6. Step 6: Final answer
    x = 9,268.13

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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.