Home / 18,021.67-27,036.14-6,335.80

Finding the Fourth Proportional to 18,021.67, 27,036.14 and 6,335.80

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Solution

The fourth proportional to 18,021.67, 27,036.14 and 6,335.80 is: 9,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.67 : 27,036.14 = 6,335.80 : x
  2. Step 2: Convert to fraction form
    18,021.67/27,036.14 = 6,335.80/x
  3. Step 3: Cross multiply
    18,021.67x = 27,036.14 × 6,335.80
  4. Step 4: Simplify right side
    18,021.67x = 171,295,575.81
  5. Step 5: Solve for x
    x = 171,295,575.81/18,021.67
  6. Step 6: Final answer
    x = 9,504.98

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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.